{"id":65610,"date":"2026-06-25T13:00:00","date_gmt":"2026-06-25T13:00:00","guid":{"rendered":"https:\/\/discover.restek.com\/?page_id=65610"},"modified":"2026-07-30T15:01:29","modified_gmt":"2026-07-30T15:01:29","slug":"pfas-analysis","status":"publish","type":"page","link":"https:\/\/discover.restek.com\/es\/pfas-analysis\/","title":{"rendered":"PFAS Analysis: Products, Methods, and Expertise"},"content":{"rendered":"<style>.kadence-column65610_858ab0-9f > .kt-inside-inner-col{display:flex;}.kadence-column65610_858ab0-9f > .kt-inside-inner-col{padding-top:45px;padding-right:0px;padding-bottom:45px;padding-left:0px;}.kadence-column65610_858ab0-9f > .kt-inside-inner-col,.kadence-column65610_858ab0-9f > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_858ab0-9f > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_858ab0-9f > .kt-inside-inner-col{flex-direction:column;align-items:flex-start;}.kadence-column65610_858ab0-9f > .kt-inside-inner-col > .kb-image-is-ratio-size{align-self:stretch;}.kadence-column65610_858ab0-9f > .kt-inside-inner-col > .wp-block-kadence-advancedgallery{align-self:stretch;}.kadence-column65610_858ab0-9f > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_858ab0-9f > .kt-inside-inner-col{background-color:var(--global-palette8, #F7FAFC);background-image:url('https:\/\/discover.restek.com\/wp-content\/uploads\/header-gnlp4243-pfas-hub-background-texture.jpg');background-size:cover;background-position:5% 5%;background-attachment:scroll;background-repeat:no-repeat;}.kadence-column65610_858ab0-9f > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_858ab0-9f{position:relative;}.kadence-column65610_858ab0-9f, .kt-inside-inner-col > .kadence-column65610_858ab0-9f:not(.specificity){margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;}@media all and (max-width: 1024px){.kadence-column65610_858ab0-9f > .kt-inside-inner-col{padding-right:15px;padding-left:15px;flex-direction:column;justify-content:center;align-items:flex-start;}}@media all and (max-width: 767px){.kadence-column65610_858ab0-9f > .kt-inside-inner-col{padding-top:45px;padding-right:0px;padding-left:0px;flex-direction:column;justify-content:center;align-items:flex-start;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_858ab0-9f hub-fullwidth-container\"><div class=\"kt-inside-inner-col\"><style>.kt-sc65610_fbdcde-61 .kt-sc-imgcol, .kt-sc65610_fbdcde-61 .kt-sc-textcol{min-height:0px;}.kt-sc65610_fbdcde-61 .kt-sc-textcol{padding-top:0px;padding-right:20px;padding-bottom:0px;padding-left:0px;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;}@media all and (max-width: 1024px){.kt-sc65610_fbdcde-61 .kt-sc-textcol{padding-top:0px;padding-right:20px;padding-bottom:0px;padding-left:0px;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;}}@media all and (max-width: 767px){.kt-sc65610_fbdcde-61 .kt-sc-imgcol, .kt-sc65610_fbdcde-61 .kt-sc-textcol{min-height:450px;}.kt-sc65610_fbdcde-61 .kt-sc-textcol{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}}<\/style>\n<div class=\"aligncenter kt-sc65610_fbdcde-61 hub-guttered-centered-container wp-block-kadence-splitcontent\"><div class=\"kt-split-content-wrap kt-sc-media-side-right\" style=\"grid-template-columns:auto 50%\"><div class=\"kt-sc-imgcol kt-sc-imgcol-bg-auto kt-sc-img-side-right\"><figure class=\"kt-split-content-media-image wp-image-container-95824\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/header-gnlp4243-pfas-hub-ROUGH-TEST-3-scaled.jpg\" alt=\"A happy analyst beside Restek&#039;s PFAS products.\" width=\"2560\" height=\"1708\" class=\"kt-split-content-img wp-image-95824\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/header-gnlp4243-pfas-hub-ROUGH-TEST-3-scaled.jpg 2560w, https:\/\/discover.restek.com\/wp-content\/uploads\/header-gnlp4243-pfas-hub-ROUGH-TEST-3-300x200.jpg 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/header-gnlp4243-pfas-hub-ROUGH-TEST-3-1024x683.jpg 1024w, https:\/\/discover.restek.com\/wp-content\/uploads\/header-gnlp4243-pfas-hub-ROUGH-TEST-3-768x512.jpg 768w, https:\/\/discover.restek.com\/wp-content\/uploads\/header-gnlp4243-pfas-hub-ROUGH-TEST-3-1536x1025.jpg 1536w, https:\/\/discover.restek.com\/wp-content\/uploads\/header-gnlp4243-pfas-hub-ROUGH-TEST-3-2048x1366.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/figure><\/div><div class=\"kt-sc-textcol kt-sc-text-valign-center kt-sc-text-halign-center\"><div class=\"kt-sc-innter-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading65610_85a17f-d2, .wp-block-kadence-advancedheading.kt-adv-heading65610_85a17f-d2[data-kb-block=\"kb-adv-heading65610_85a17f-d2\"]{text-align:left;font-size:75px;line-height:74px;font-weight:600;font-style:normal;font-family:'Open Sans';}.wp-block-kadence-advancedheading.kt-adv-heading65610_85a17f-d2 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_85a17f-d2[data-kb-block=\"kb-adv-heading65610_85a17f-d2\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_85a17f-d2 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_85a17f-d2[data-kb-block=\"kb-adv-heading65610_85a17f-d2\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading65610_85a17f-d2, .wp-block-kadence-advancedheading.kt-adv-heading65610_85a17f-d2[data-kb-block=\"kb-adv-heading65610_85a17f-d2\"]{font-size:36px;line-height:38px;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading65610_85a17f-d2, .wp-block-kadence-advancedheading.kt-adv-heading65610_85a17f-d2[data-kb-block=\"kb-adv-heading65610_85a17f-d2\"]{margin-top:var(--global-kb-spacing-xs, 1rem);font-size:32px;line-height:38px;}}<\/style>\n<h1 class=\"kt-adv-heading65610_85a17f-d2 wp-block-kadence-advancedheading has-theme-palette-9-color has-text-color\" data-kb-block=\"kb-adv-heading65610_85a17f-d2\">Accuracy<br>Begins<br>Upstream<\/h1>\n\n\n\n<p class=\"has-text-align-left has-theme-palette-9-color has-text-color has-link-color wp-elements-765e88199dff8fa1f67a82af7593b3b1 wp-block-paragraph\" style=\"padding-right:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20);font-size:23px\">PFAS consumables &amp; expertise to support reproducible results\u2014even at the lowest detection limits.<\/p>\n<\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group hub-fullwidth-container has-theme-palette-9-background-color has-background\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-81d2145a wp-block-group-is-layout-constrained\"><style>.kadence-column65610_a3f128-94 > .kt-inside-inner-col{display:flex;}.kadence-column65610_a3f128-94 > .kt-inside-inner-col{padding-top:45px;padding-right:0px;padding-bottom:55px;padding-left:0px;}.kadence-column65610_a3f128-94 > .kt-inside-inner-col,.kadence-column65610_a3f128-94 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_a3f128-94 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_a3f128-94 > .kt-inside-inner-col{flex-direction:column;align-items:flex-start;}.kadence-column65610_a3f128-94 > .kt-inside-inner-col > .kb-image-is-ratio-size{align-self:stretch;}.kadence-column65610_a3f128-94 > .kt-inside-inner-col > .wp-block-kadence-advancedgallery{align-self:stretch;}.kadence-column65610_a3f128-94 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_a3f128-94 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_a3f128-94{position:relative;}.kadence-column65610_a3f128-94, .kt-inside-inner-col > .kadence-column65610_a3f128-94:not(.specificity){margin-top:0px;margin-right:var(--global-kb-spacing-auto, auto);margin-bottom:0px;margin-left:var(--global-kb-spacing-auto, auto);}@media all and (max-width: 1024px){.kadence-column65610_a3f128-94 > .kt-inside-inner-col{padding-top:40px;padding-bottom:40px;flex-direction:column;justify-content:center;align-items:flex-start;}}@media all and (max-width: 767px){.kadence-column65610_a3f128-94 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:flex-start;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_a3f128-94 hub-guttered-centered-container\" id=\"overview\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-medium-font-size wp-block-paragraph\">Every PFAS workflow comes with unique challenges\u2014from complex samples to demanding methods and the need for accurate results.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">That\u2019s where the right partner makes the difference.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Restek combines proven products with expert guidance to support reproducible, high-quality results. From method development to routine analysis, our PFAS team is ready to help you navigate complexity with confidence.<\/p>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n<style>.kb-row-layout-id65610_04f161-82 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id65610_04f161-82 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id65610_04f161-82 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id65610_04f161-82{background-color:#ebf9fc;}.kb-row-layout-id65610_04f161-82 > .kt-row-layout-overlay{opacity:0.30;}.kb-row-layout-id65610_04f161-82 .kt-row-layout-bottom-sep{height:30px;}.kb-row-layout-id65610_04f161-82 .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id65610_04f161-82 .kt-row-layout-bottom-sep svg{fill:var(--global-palette9, #ffffff)!important;}.kb-row-layout-id65610_04f161-82 .kt-row-layout-top-sep{height:30px;}.kb-row-layout-id65610_04f161-82 .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id65610_04f161-82 .kt-row-layout-top-sep svg{fill:var(--global-palette9, #ffffff)!important;}@media all and (max-width: 1024px){.kb-row-layout-id65610_04f161-82 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 1024px){.kb-row-layout-id65610_04f161-82 .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id65610_04f161-82 .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id65610_04f161-82 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id65610_04f161-82 .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id65610_04f161-82 .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id65610_04f161-82 alignnone kt-row-has-bg hub-fullwidth-container resource-hub-section wp-block-kadence-rowlayout\"><div class=\"kt-row-layout-top-sep kt-row-sep-type-crvri\"><svg viewBox=\"0 0 1000 100\" preserveAspectRatio=\"none\"><path d=\"M1000,0c0,0 -120.987,98 -350,98c-229.013,0 -650,-98 -650,-98l0,100l1000,0l0,-100Z\" \/><\/svg><\/div><div class=\"kt-row-layout-bottom-sep kt-row-sep-type-crvi\"><svg viewBox=\"0 0 1000 100\" preserveAspectRatio=\"none\"><path d=\"M1000,0c0,0 -270.987,98 -500,98c-229.013,0 -500,-98 -500,-98l0,100l1000,0l0,-100Z\" \/><\/svg><\/div><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column65610_3852d4-cd > .kt-inside-inner-col{padding-top:45px;padding-right:0px;padding-bottom:45px;padding-left:0px;}.kadence-column65610_3852d4-cd > .kt-inside-inner-col,.kadence-column65610_3852d4-cd > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_3852d4-cd > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_3852d4-cd > .kt-inside-inner-col{flex-direction:column;}.kadence-column65610_3852d4-cd > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_3852d4-cd > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_3852d4-cd{position:relative;}.kadence-column65610_3852d4-cd, .kt-inside-inner-col > .kadence-column65610_3852d4-cd:not(.specificity){margin-top:0px;margin-right:var(--global-kb-spacing-auto, auto);margin-bottom:0px;margin-left:var(--global-kb-spacing-auto, auto);}@media all and (max-width: 1024px){.kadence-column65610_3852d4-cd > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_3852d4-cd > .kt-inside-inner-col{padding-top:45px;padding-right:0px;padding-bottom:45px;padding-left:0px;flex-direction:column;justify-content:center;}.kadence-column65610_3852d4-cd, .kt-inside-inner-col > .kadence-column65610_3852d4-cd:not(.specificity){margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_3852d4-cd hub-guttered-centered-container resource-hub-section\" id=\"products\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading65610_dbb5b5-b0, .wp-block-kadence-advancedheading.kt-adv-heading65610_dbb5b5-b0[data-kb-block=\"kb-adv-heading65610_dbb5b5-b0\"]{text-align:left;font-size:48px;line-height:55px;font-weight:400;font-style:normal;font-family:'Open Sans';}.wp-block-kadence-advancedheading.kt-adv-heading65610_dbb5b5-b0, .wp-block-kadence-advancedheading.kt-adv-heading65610_dbb5b5-b0[data-kb-block=\"kb-adv-heading65610_dbb5b5-b0\"] .kb-adv-text-inner{background-image:linear-gradient(270deg,rgb(4,137,214) 0%,rgb(1,94,155) 100%);background-clip:text;-webkit-box-decoration-break:clone;box-decoration-break:clone;-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.wp-block-kadence-advancedheading.kt-adv-heading65610_dbb5b5-b0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_dbb5b5-b0[data-kb-block=\"kb-adv-heading65610_dbb5b5-b0\"] mark.kt-highlight{font-style:normal;-webkit-text-fill-color:initial !important;-webkit-background-clip:initial !important;background-clip:initial !important;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_dbb5b5-b0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_dbb5b5-b0[data-kb-block=\"kb-adv-heading65610_dbb5b5-b0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading65610_dbb5b5-b0, .wp-block-kadence-advancedheading.kt-adv-heading65610_dbb5b5-b0[data-kb-block=\"kb-adv-heading65610_dbb5b5-b0\"]{font-size:40px;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading65610_dbb5b5-b0, .wp-block-kadence-advancedheading.kt-adv-heading65610_dbb5b5-b0[data-kb-block=\"kb-adv-heading65610_dbb5b5-b0\"]{font-size:36px;}}<\/style><h2 class=\"kt-adv-heading65610_dbb5b5-b0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading65610_dbb5b5-b0\"><span class=\"kb-adv-text-inner\">Solutions Built for PFAS Analysis<\/span><\/h2>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:23px\">Explore expert-recommended products designed for consistent, accurate PFAS results.<\/p>\n\n\n<style>.kadence-column65610_825759-44 > .kt-inside-inner-col,.kadence-column65610_825759-44 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_825759-44 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_825759-44 > .kt-inside-inner-col{flex-direction:column;}.kadence-column65610_825759-44 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_825759-44 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_825759-44{position:relative;}@media all and (max-width: 1024px){.kadence-column65610_825759-44 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_825759-44 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_825759-44\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-wrap.wp-block-kadence-rowlayout.kb-row-layout-id65610_b2ac65-d1{margin-top:10px;}.kb-row-layout-id65610_b2ac65-d1 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id65610_b2ac65-d1 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id65610_b2ac65-d1 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-none, 0rem );}.kb-row-layout-id65610_b2ac65-d1 > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}.kb-row-layout-id65610_b2ac65-d1 > .kt-row-column-wrap{grid-template-columns:repeat(3, minmax(0, 1fr));}.kb-row-layout-id65610_b2ac65-d1 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id65610_b2ac65-d1 > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}}@media all and (max-width: 1024px){.kb-row-layout-id65610_b2ac65-d1 > .kt-row-column-wrap{grid-template-columns:repeat(3, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id65610_b2ac65-d1 > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}.kb-row-layout-id65610_b2ac65-d1 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id65610_b2ac65-d1 alignnone partner-section wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-3-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top kt-inner-column-height-full\">\n<style>.kadence-column65610_a607a2-db > .kt-inside-inner-col{border-top:0px solid #ced4da;border-right:0px solid #ced4da;border-bottom:0px solid #ced4da;border-left:0px solid #ced4da;}.kadence-column65610_a607a2-db > .kt-inside-inner-col,.kadence-column65610_a607a2-db > .kt-inside-inner-col:before{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kadence-column65610_a607a2-db > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_a607a2-db > .kt-inside-inner-col{flex-direction:column;}.kadence-column65610_a607a2-db > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_a607a2-db > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_a607a2-db{position:relative;}@media all and (max-width: 1024px){.kadence-column65610_a607a2-db > .kt-inside-inner-col{border-top:0px solid #ced4da;border-right:0px solid #ced4da;border-bottom:0px solid #ced4da;border-left:0px solid #ced4da;flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_a607a2-db > .kt-inside-inner-col{border-top:0px solid #ced4da;border-right:0px solid #ced4da;border-bottom:0px solid #ced4da;border-left:0px solid #ced4da;flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_a607a2-db\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-image.kb-image65610_468030-0f:not(.kb-specificity-added):not(.kb-extra-specificity-added){margin-top:20px;margin-bottom:24px;}.kb-image65610_468030-0f.kb-image-is-ratio-size, .kb-image65610_468030-0f .kb-image-is-ratio-size{max-width:300px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image65610_468030-0f.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image65610_468030-0f .kb-image-is-ratio-size{align-self:unset;}.kb-image65610_468030-0f figure{max-width:300px;}.kb-image65610_468030-0f .image-is-svg, .kb-image65610_468030-0f .image-is-svg img{width:100%;}.kb-image65610_468030-0f:not(.kb-image-is-ratio-size) .kb-img, .kb-image65610_468030-0f.kb-image-is-ratio-size{padding-top:15px;padding-right:15px;padding-bottom:15px;padding-left:15px;}.kb-image65610_468030-0f .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kb-image65610_468030-0f img.kb-img, .kb-image65610_468030-0f .kb-img img{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}<\/style>\n<div class=\"wp-block-kadence-image kb-image65610_468030-0f\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"900\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-lc-columns.png\" alt=\"Three Ultra IBD LC columns.\" class=\"kb-img wp-image-95688\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-lc-columns.png 900w, https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-lc-columns-300x300.png 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-lc-columns-150x150.png 150w, https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-lc-columns-768x768.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure><\/div>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading65610_0b5ae3-73, .wp-block-kadence-advancedheading.kt-adv-heading65610_0b5ae3-73[data-kb-block=\"kb-adv-heading65610_0b5ae3-73\"]{padding-right:24px;padding-left:24px;margin-top:0px;text-align:center;font-size:20px;line-height:24px;font-weight:600;font-style:normal;font-family:'Open Sans';color:#0c115b;border-top:1px solid transparent;border-right:1px solid transparent;border-bottom:1px solid transparent;border-left:1px solid transparent;}.wp-block-kadence-advancedheading.kt-adv-heading65610_0b5ae3-73 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_0b5ae3-73[data-kb-block=\"kb-adv-heading65610_0b5ae3-73\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_0b5ae3-73 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_0b5ae3-73[data-kb-block=\"kb-adv-heading65610_0b5ae3-73\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading65610_0b5ae3-73, .wp-block-kadence-advancedheading.kt-adv-heading65610_0b5ae3-73[data-kb-block=\"kb-adv-heading65610_0b5ae3-73\"]{border-top:1px solid transparent;border-right:1px solid transparent;border-bottom:1px solid transparent;border-left:1px solid transparent;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading65610_0b5ae3-73, .wp-block-kadence-advancedheading.kt-adv-heading65610_0b5ae3-73[data-kb-block=\"kb-adv-heading65610_0b5ae3-73\"]{border-top:1px solid transparent;border-right:1px solid transparent;border-bottom:1px solid transparent;border-left:1px solid transparent;}}<\/style>\n<h2 class=\"kt-adv-heading65610_0b5ae3-73 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading65610_0b5ae3-73\">Ultra IBD Inert LC Columns<\/h2>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"padding-right:var(--wp--preset--spacing--40);padding-left:var(--wp--preset--spacing--40)\">Deliver reliable PFAS separation with consistent retention and reproducibility.<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_3f133b-96{padding-right:24px;padding-left:24px;gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns65610_3f133b-96 .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_3f133b-96 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_3f133b-96 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_3f133b-96 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_3f133b-96 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_3f133b-96 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_3f133b-96 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_3f133b-96 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_3f133b-96\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_087ba3-a9.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_087ba3-a9.kb-button{color:#015e9a;background:rgba(255,255,255,0);font-size:16px;line-height:20px;font-family:'Open Sans';font-weight:700;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kb-btn65610_087ba3-a9.kb-button .kb-svg-icon-wrap{font-size:16px;--kb-button-icon-size:16px;}<\/style><a class=\"kb-button kt-button button kb-btn65610_087ba3-a9 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/www.restek.com\/c\/LC-PFAS\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\">View Products<\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column65610_dbe011-5b > .kt-inside-inner-col{padding-bottom:24px;}.kadence-column65610_dbe011-5b > .kt-inside-inner-col{border-top:0px solid #ced4da;border-right:0px solid #ced4da;border-bottom:0px solid #ced4da;border-left:0px solid #ced4da;}.kadence-column65610_dbe011-5b > .kt-inside-inner-col,.kadence-column65610_dbe011-5b > .kt-inside-inner-col:before{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kadence-column65610_dbe011-5b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_dbe011-5b > .kt-inside-inner-col{flex-direction:column;}.kadence-column65610_dbe011-5b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_dbe011-5b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_dbe011-5b{position:relative;}@media all and (max-width: 1024px){.kadence-column65610_dbe011-5b > .kt-inside-inner-col{border-top:0px solid #ced4da;border-right:0px solid #ced4da;border-bottom:0px solid #ced4da;border-left:0px solid #ced4da;flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_dbe011-5b > .kt-inside-inner-col{border-top:0px solid #ced4da;border-right:0px solid #ced4da;border-bottom:0px solid #ced4da;border-left:0px solid #ced4da;flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_dbe011-5b\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-image.kb-image65610_334907-cc:not(.kb-specificity-added):not(.kb-extra-specificity-added){margin-top:20px;margin-bottom:24px;}.kb-image65610_334907-cc.kb-image-is-ratio-size, .kb-image65610_334907-cc .kb-image-is-ratio-size{max-width:300px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image65610_334907-cc.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image65610_334907-cc .kb-image-is-ratio-size{align-self:unset;}.kb-image65610_334907-cc figure{max-width:300px;}.kb-image65610_334907-cc .image-is-svg, .kb-image65610_334907-cc .image-is-svg img{width:100%;}.kb-image65610_334907-cc:not(.kb-image-is-ratio-size) .kb-img, .kb-image65610_334907-cc.kb-image-is-ratio-size{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kb-image65610_334907-cc .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kb-image65610_334907-cc img.kb-img, .kb-image65610_334907-cc .kb-img img{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}<\/style>\n<div class=\"wp-block-kadence-image kb-image65610_334907-cc\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"900\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-spe.png\" alt=\"Three Resprep SPE cartridges.\" class=\"kb-img wp-image-95690\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-spe.png 900w, https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-spe-300x300.png 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-spe-150x150.png 150w, https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-spe-768x768.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure><\/div>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading65610_26ab96-ff, .wp-block-kadence-advancedheading.kt-adv-heading65610_26ab96-ff[data-kb-block=\"kb-adv-heading65610_26ab96-ff\"]{padding-right:24px;padding-left:24px;margin-top:0px;text-align:center;font-size:20px;line-height:24px;font-weight:600;font-style:normal;font-family:'Open Sans';color:#0c115b;border-top:1px solid transparent;border-right:1px solid transparent;border-bottom:1px solid transparent;border-left:1px solid transparent;}.wp-block-kadence-advancedheading.kt-adv-heading65610_26ab96-ff mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_26ab96-ff[data-kb-block=\"kb-adv-heading65610_26ab96-ff\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_26ab96-ff img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_26ab96-ff[data-kb-block=\"kb-adv-heading65610_26ab96-ff\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading65610_26ab96-ff, .wp-block-kadence-advancedheading.kt-adv-heading65610_26ab96-ff[data-kb-block=\"kb-adv-heading65610_26ab96-ff\"]{border-top:1px solid transparent;border-right:1px solid transparent;border-bottom:1px solid transparent;border-left:1px solid transparent;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading65610_26ab96-ff, .wp-block-kadence-advancedheading.kt-adv-heading65610_26ab96-ff[data-kb-block=\"kb-adv-heading65610_26ab96-ff\"]{border-top:1px solid transparent;border-right:1px solid transparent;border-bottom:1px solid transparent;border-left:1px solid transparent;}}<\/style>\n<h2 class=\"kt-adv-heading65610_26ab96-ff wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading65610_26ab96-ff\">Resprep Dual-Bed SPE <\/h2>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"padding-right:var(--wp--preset--spacing--40);padding-left:var(--wp--preset--spacing--40)\">Improve PFAS recovery while minimizing matrix effects in complex samples.<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_0e75bb-2b{padding-right:24px;padding-left:24px;gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns65610_0e75bb-2b .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_0e75bb-2b .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_0e75bb-2b .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_0e75bb-2b .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_0e75bb-2b .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_0e75bb-2b .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_0e75bb-2b .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_0e75bb-2b .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_0e75bb-2b\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_55a6f1-2b.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_55a6f1-2b.kb-button{color:#015e9a;background:rgba(255,255,255,0);font-size:16px;line-height:20px;font-family:'Open Sans';font-weight:700;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kb-btn65610_55a6f1-2b.kb-button .kb-svg-icon-wrap{font-size:16px;--kb-button-icon-size:16px;}<\/style><a class=\"kb-button kt-button button kb-btn65610_55a6f1-2b kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/www.restek.com\/c\/SP-PFAS\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\">View Products<\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column65610_c0be37-2b > .kt-inside-inner-col{padding-bottom:24px;}.kadence-column65610_c0be37-2b > .kt-inside-inner-col{border-top:0px solid #ced4da;border-right:0px solid #ced4da;border-bottom:0px solid #ced4da;border-left:0px solid #ced4da;}.kadence-column65610_c0be37-2b > .kt-inside-inner-col,.kadence-column65610_c0be37-2b > .kt-inside-inner-col:before{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kadence-column65610_c0be37-2b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_c0be37-2b > .kt-inside-inner-col{flex-direction:column;}.kadence-column65610_c0be37-2b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_c0be37-2b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_c0be37-2b{position:relative;}@media all and (max-width: 1024px){.kadence-column65610_c0be37-2b > .kt-inside-inner-col{border-top:0px solid #ced4da;border-right:0px solid #ced4da;border-bottom:0px solid #ced4da;border-left:0px solid #ced4da;flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_c0be37-2b > .kt-inside-inner-col{border-top:0px solid #ced4da;border-right:0px solid #ced4da;border-bottom:0px solid #ced4da;border-left:0px solid #ced4da;flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_c0be37-2b\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-image.kb-image65610_0d91bc-11:not(.kb-specificity-added):not(.kb-extra-specificity-added){margin-top:20px;margin-bottom:24px;}.kb-image65610_0d91bc-11.kb-image-is-ratio-size, .kb-image65610_0d91bc-11 .kb-image-is-ratio-size{max-width:300px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image65610_0d91bc-11.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image65610_0d91bc-11 .kb-image-is-ratio-size{align-self:unset;}.kb-image65610_0d91bc-11 figure{max-width:300px;}.kb-image65610_0d91bc-11 .image-is-svg, .kb-image65610_0d91bc-11 .image-is-svg img{width:100%;}.kb-image65610_0d91bc-11:not(.kb-image-is-ratio-size) .kb-img, .kb-image65610_0d91bc-11.kb-image-is-ratio-size{padding-top:15px;padding-right:15px;padding-bottom:15px;padding-left:15px;}.kb-image65610_0d91bc-11 .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kb-image65610_0d91bc-11 img.kb-img, .kb-image65610_0d91bc-11 .kb-img img{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}<\/style>\n<div class=\"wp-block-kadence-image kb-image65610_0d91bc-11\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"900\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-standards.png\" alt=\"A PFAS reference standard ampul.\" class=\"kb-img wp-image-95687\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-standards.png 900w, https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-standards-300x300.png 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-standards-150x150.png 150w, https:\/\/discover.restek.com\/wp-content\/uploads\/gnlp4243-pfas-hub-products-standards-768x768.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure><\/div>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading65610_a388bd-7d, .wp-block-kadence-advancedheading.kt-adv-heading65610_a388bd-7d[data-kb-block=\"kb-adv-heading65610_a388bd-7d\"]{padding-right:24px;padding-left:24px;margin-top:0px;text-align:center;font-size:20px;line-height:24px;font-weight:600;font-style:normal;font-family:'Open Sans';color:#0c115b;border-top:1px solid transparent;border-right:1px solid transparent;border-bottom:1px solid transparent;border-left:1px solid transparent;}.wp-block-kadence-advancedheading.kt-adv-heading65610_a388bd-7d mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_a388bd-7d[data-kb-block=\"kb-adv-heading65610_a388bd-7d\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_a388bd-7d img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_a388bd-7d[data-kb-block=\"kb-adv-heading65610_a388bd-7d\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading65610_a388bd-7d, .wp-block-kadence-advancedheading.kt-adv-heading65610_a388bd-7d[data-kb-block=\"kb-adv-heading65610_a388bd-7d\"]{border-top:1px solid transparent;border-right:1px solid transparent;border-bottom:1px solid transparent;border-left:1px solid transparent;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading65610_a388bd-7d, .wp-block-kadence-advancedheading.kt-adv-heading65610_a388bd-7d[data-kb-block=\"kb-adv-heading65610_a388bd-7d\"]{border-top:1px solid transparent;border-right:1px solid transparent;border-bottom:1px solid transparent;border-left:1px solid transparent;}}<\/style>\n<h2 class=\"kt-adv-heading65610_a388bd-7d wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading65610_a388bd-7d\">PFAS Standards<\/h2>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"padding-right:var(--wp--preset--spacing--40);padding-left:var(--wp--preset--spacing--40)\">Support accurate PFAS quantitation with method-specific certified reference materials.<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_791148-9b{padding-right:24px;padding-left:24px;gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns65610_791148-9b .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_791148-9b .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_791148-9b .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_791148-9b .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_791148-9b .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_791148-9b .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_791148-9b .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_791148-9b .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_791148-9b\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_e859ea-ef.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_e859ea-ef.kb-button{color:#015e9a;background:rgba(255,255,255,0);font-size:16px;line-height:20px;font-family:'Open Sans';font-weight:700;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kb-btn65610_e859ea-ef.kb-button .kb-svg-icon-wrap{font-size:16px;--kb-button-icon-size:16px;}<\/style><a class=\"kb-button kt-button button kb-btn65610_e859ea-ef kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/www.restek.com\/c\/RS-PFAS\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\">View Products<\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"font-size:23px\">Browse our featured PFAS solutions\u2014from LC columns to sample prep tools.<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_e30c56-3c{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns65610_e30c56-3c .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_e30c56-3c .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_e30c56-3c .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_e30c56-3c .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_e30c56-3c .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_e30c56-3c .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_e30c56-3c .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_e30c56-3c .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_e30c56-3c\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_96c24f-6f.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_96c24f-6f.kb-button{color:var(--global-palette9, #ffffff);background:#61b522;border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-right-radius:8px;border-bottom-left-radius:8px;border-top-color:#61b522;border-top-style:solid;border-right-color:#61b522;border-right-style:solid;border-bottom-color:#61b522;border-bottom-style:solid;border-left-color:#61b522;border-left-style:solid;}.wp-block-kadence-advancedbtn .kb-btn65610_96c24f-6f.kb-button:not(.specificity):not(.extra-specificity){text-decoration:none;}.kb-btn65610_96c24f-6f.kb-button .kb-svg-icon-wrap{color:var(--global-palette9, #ffffff);}.kb-btn65610_96c24f-6f.kb-button:hover .kb-svg-icon-wrap, .kb-btn65610_96c24f-6f.kb-button:focus .kb-svg-icon-wrap{color:#61b522;}.wp-block-kadence-advancedbtn .kb-btn65610_96c24f-6f.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_96c24f-6f.kb-button:focus{color:#61b522;background:#ebf9fc;}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_96c24f-6f.kb-button{border-top-color:#61b522;border-top-style:solid;border-right-color:#61b522;border-right-style:solid;border-bottom-color:#61b522;border-bottom-style:solid;border-left-color:#61b522;border-left-style:solid;}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn65610_96c24f-6f.kb-button{border-top-color:#61b522;border-top-style:solid;border-right-color:#61b522;border-right-style:solid;border-bottom-color:#61b522;border-bottom-style:solid;border-left-color:#61b522;border-left-style:solid;}}<\/style><a class=\"kb-button kt-button button kb-btn65610_96c24f-6f kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/www.restek.com\/c\/featured-pfas\/\" target=\"_blank\" rel=\"noopener\"><span class=\"kt-btn-inner-text\"><strong>Explore All PFAS Products<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<div class=\"wp-block-group hub-fullwidth-container resource-hub-section has-theme-palette-9-background-color has-background\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-81d2145a wp-block-group-is-layout-constrained\">\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.kadence-column65610_78621f-3f > .kt-inside-inner-col{padding-top:45px;padding-right:0px;padding-bottom:50px;padding-left:0px;}.kadence-column65610_78621f-3f > .kt-inside-inner-col,.kadence-column65610_78621f-3f > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_78621f-3f > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_78621f-3f > .kt-inside-inner-col{flex-direction:column;}.kadence-column65610_78621f-3f > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_78621f-3f > .kt-inside-inner-col{background-color:var(--global-palette9, #ffffff);}.kadence-column65610_78621f-3f > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_78621f-3f{position:relative;}@media all and (max-width: 1024px){.kadence-column65610_78621f-3f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_78621f-3f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_78621f-3f hub-guttered-centered-container\" id=\"guides\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading65610_8d30b9-69, .wp-block-kadence-advancedheading.kt-adv-heading65610_8d30b9-69[data-kb-block=\"kb-adv-heading65610_8d30b9-69\"]{text-align:left;font-size:48px;line-height:55px;font-weight:400;font-style:normal;font-family:'Open Sans';}.wp-block-kadence-advancedheading.kt-adv-heading65610_8d30b9-69, .wp-block-kadence-advancedheading.kt-adv-heading65610_8d30b9-69[data-kb-block=\"kb-adv-heading65610_8d30b9-69\"] .kb-adv-text-inner{background-image:linear-gradient(270deg,rgb(4,137,214) 0%,rgb(1,94,155) 100%);background-clip:text;-webkit-box-decoration-break:clone;box-decoration-break:clone;-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.wp-block-kadence-advancedheading.kt-adv-heading65610_8d30b9-69 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_8d30b9-69[data-kb-block=\"kb-adv-heading65610_8d30b9-69\"] mark.kt-highlight{font-style:normal;-webkit-text-fill-color:initial !important;-webkit-background-clip:initial !important;background-clip:initial !important;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_8d30b9-69 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_8d30b9-69[data-kb-block=\"kb-adv-heading65610_8d30b9-69\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading65610_8d30b9-69, .wp-block-kadence-advancedheading.kt-adv-heading65610_8d30b9-69[data-kb-block=\"kb-adv-heading65610_8d30b9-69\"]{font-size:40px;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading65610_8d30b9-69, .wp-block-kadence-advancedheading.kt-adv-heading65610_8d30b9-69[data-kb-block=\"kb-adv-heading65610_8d30b9-69\"]{font-size:36px;}}<\/style><h2 class=\"kt-adv-heading65610_8d30b9-69 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading65610_8d30b9-69\"><span class=\"kb-adv-text-inner\">Level Up Your PFAS Analysis<\/span><\/h2>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:23px\">Compare methods, select the right workflow, and identify the products you need with our expert-developed guides.<\/p>\n\n\n<style>.kb-row-layout-wrap.wp-block-kadence-rowlayout.kb-row-layout-id65610_7cd33e-4d{margin-top:48px;}.kb-row-layout-id65610_7cd33e-4d > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id65610_7cd33e-4d > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id65610_7cd33e-4d > .kt-row-column-wrap{column-gap:var(--global-kb-gap-lg, 4rem);row-gap:var(--global-kb-gap-md, 2rem);grid-template-columns:repeat(2, minmax(0, 1fr));}.kb-row-layout-id65610_7cd33e-4d > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id65610_7cd33e-4d > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (min-width: 768px) and (max-width: 1024px){.kb-row-layout-id65610_7cd33e-4d{display:none !important;}}@media all and (max-width: 767px){.kb-row-layout-id65610_7cd33e-4d > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id65610_7cd33e-4d{display:none !important;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id65610_7cd33e-4d alignnone kb-v-md-hidden kb-v-sm-hidden partner-section wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top kt-inner-column-height-full\">\n<style>.kadence-column65610_39cb1d-0d > .kt-inside-inner-col{display:flex;}.kadence-column65610_39cb1d-0d > .kt-inside-inner-col{padding-top:20px;padding-right:30px;padding-bottom:20px;padding-left:300px;}.kadence-column65610_39cb1d-0d > .kt-inside-inner-col,.kadence-column65610_39cb1d-0d > .kt-inside-inner-col:before{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kadence-column65610_39cb1d-0d > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_39cb1d-0d > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}.kadence-column65610_39cb1d-0d > .kt-inside-inner-col > .kb-image-is-ratio-size{align-self:stretch;}.kadence-column65610_39cb1d-0d > .kt-inside-inner-col > .wp-block-kadence-advancedgallery{align-self:stretch;}.kadence-column65610_39cb1d-0d > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column65610_39cb1d-0d{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_39cb1d-0d{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_39cb1d-0d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_39cb1d-0d > .kt-inside-inner-col{background-image:url('https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-method-guide-656x370-1.jpg');background-size:cover;background-position:50% 50%;background-attachment:scroll;background-repeat:no-repeat;}.kadence-column65610_39cb1d-0d > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_39cb1d-0d{text-align:center;}.kadence-column65610_39cb1d-0d{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column65610_39cb1d-0d{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_39cb1d-0d{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_39cb1d-0d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column65610_39cb1d-0d > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column65610_39cb1d-0d{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_39cb1d-0d{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_39cb1d-0d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_39cb1d-0d > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_39cb1d-0d\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading65610_699368-8a, .wp-block-kadence-advancedheading.kt-adv-heading65610_699368-8a[data-kb-block=\"kb-adv-heading65610_699368-8a\"]{padding-left:var(--global-kb-spacing-xs, 1rem);font-size:20px;font-weight:600;font-style:normal;font-family:Inter;}.wp-block-kadence-advancedheading.kt-adv-heading65610_699368-8a mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_699368-8a[data-kb-block=\"kb-adv-heading65610_699368-8a\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_699368-8a img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_699368-8a[data-kb-block=\"kb-adv-heading65610_699368-8a\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading65610_699368-8a wp-block-kadence-advancedheading has-theme-palette-9-color has-text-color\" data-kb-block=\"kb-adv-heading65610_699368-8a\"><strong>Find the Right Products<\/strong><br><strong>by Method<\/strong><\/h2>\n\n\n\n<p class=\"has-theme-palette-9-color has-text-color has-link-color wp-elements-4109b1fb9d1f6981d33d9fde56883ed6 wp-block-paragraph\" style=\"margin-top:0px;margin-bottom:0px;padding-left:var(--wp--preset--spacing--30)\">Browse products organized by method to quickly identify the right tools for your workflow.<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_3575c5-69{padding-top:20px;gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns65610_3575c5-69 .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_3575c5-69 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_3575c5-69 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_3575c5-69 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_3575c5-69 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_3575c5-69 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_3575c5-69 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_3575c5-69 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_3575c5-69\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_bbc7b6-df.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_bbc7b6-df.kb-button{color:#ffffff;background:#61b522;font-size:16px;line-height:20px;font-family:'Open Sans';font-weight:600;border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-right-radius:8px;border-bottom-left-radius:8px;border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;padding-top:12px;padding-right:16px;padding-bottom:12px;padding-left:16px;}.kb-btn65610_bbc7b6-df.kb-button .kb-svg-icon-wrap{color:var(--global-palette9, #ffffff);font-size:16px;--kb-button-icon-size:16px;}.kb-btn65610_bbc7b6-df.kb-button:hover .kb-svg-icon-wrap, .kb-btn65610_bbc7b6-df.kb-button:focus .kb-svg-icon-wrap{color:var(--global-palette9, #ffffff);}.wp-block-kadence-advancedbtn .kb-btn65610_bbc7b6-df.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_bbc7b6-df.kb-button:focus{color:var(--global-palette9, #ffffff);background:#075085;border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_bbc7b6-df.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_bbc7b6-df.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_bbc7b6-df.kb-button:focus{border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn65610_bbc7b6-df.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}.wp-block-kadence-advancedbtn .kb-btn65610_bbc7b6-df.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_bbc7b6-df.kb-button:focus{border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}}<\/style><a class=\"kb-button kt-button button kb-btn65610_bbc7b6-df kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/discover.restek.com\/articles\/evar3498\/lab-supplies-for-pfas-analysis\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong>Explore Products Guide<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column65610_8c97f6-3a > .kt-inside-inner-col{display:flex;}.kadence-column65610_8c97f6-3a > .kt-inside-inner-col{padding-top:20px;padding-right:30px;padding-bottom:20px;padding-left:300px;}.kadence-column65610_8c97f6-3a > .kt-inside-inner-col,.kadence-column65610_8c97f6-3a > .kt-inside-inner-col:before{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kadence-column65610_8c97f6-3a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_8c97f6-3a > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}.kadence-column65610_8c97f6-3a > .kt-inside-inner-col > .kb-image-is-ratio-size{align-self:stretch;}.kadence-column65610_8c97f6-3a > .kt-inside-inner-col > .wp-block-kadence-advancedgallery{align-self:stretch;}.kadence-column65610_8c97f6-3a > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column65610_8c97f6-3a{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_8c97f6-3a{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_8c97f6-3a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_8c97f6-3a > .kt-inside-inner-col{background-image:url('https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-products-guide-656x370-1.jpg');background-size:cover;background-position:50% 50%;background-attachment:scroll;background-repeat:no-repeat;}.kadence-column65610_8c97f6-3a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_8c97f6-3a{text-align:center;}.kadence-column65610_8c97f6-3a{position:relative;}.kadence-column65610_8c97f6-3a, .kt-inside-inner-col > .kadence-column65610_8c97f6-3a:not(.specificity){margin-right:0px;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column65610_8c97f6-3a{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_8c97f6-3a{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_8c97f6-3a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column65610_8c97f6-3a > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column65610_8c97f6-3a{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_8c97f6-3a{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_8c97f6-3a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_8c97f6-3a > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_8c97f6-3a\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading65610_ee42be-c7, .wp-block-kadence-advancedheading.kt-adv-heading65610_ee42be-c7[data-kb-block=\"kb-adv-heading65610_ee42be-c7\"]{font-size:20px;font-weight:600;font-style:normal;font-family:Inter;}.wp-block-kadence-advancedheading.kt-adv-heading65610_ee42be-c7 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_ee42be-c7[data-kb-block=\"kb-adv-heading65610_ee42be-c7\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_ee42be-c7 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_ee42be-c7[data-kb-block=\"kb-adv-heading65610_ee42be-c7\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading65610_ee42be-c7 wp-block-kadence-advancedheading has-theme-palette-9-color has-text-color\" data-kb-block=\"kb-adv-heading65610_ee42be-c7\"><strong>Compare Methods with Confidence<\/strong><\/h2>\n\n\n\n<p class=\"has-theme-palette-9-color has-text-color has-link-color wp-elements-dd2d515198a0512338e0e17d7f048b84 wp-block-paragraph\" style=\"margin-top:0px;margin-bottom:0px;padding-left:var(--wp--preset--spacing--30)\">From ASTM to EPA, ISO to DIN, explore guides that help you select the right PFAS workflow.<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_92cf5d-5a{padding-top:20px;gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns65610_92cf5d-5a .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_92cf5d-5a .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_92cf5d-5a .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_92cf5d-5a .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_92cf5d-5a .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_92cf5d-5a .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_92cf5d-5a .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_92cf5d-5a .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_92cf5d-5a\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_ba5682-45.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_ba5682-45.kb-button{color:#ffffff;background:#61b522;font-size:16px;line-height:20px;font-family:'Open Sans';font-weight:600;border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-right-radius:8px;border-bottom-left-radius:8px;border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;padding-top:12px;padding-right:16px;padding-bottom:12px;padding-left:16px;}.kb-btn65610_ba5682-45.kb-button .kb-svg-icon-wrap{font-size:16px;--kb-button-icon-size:16px;}.wp-block-kadence-advancedbtn .kb-btn65610_ba5682-45.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_ba5682-45.kb-button:focus{color:var(--global-palette9, #ffffff);background:#075085;border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_ba5682-45.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_ba5682-45.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_ba5682-45.kb-button:focus{border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn65610_ba5682-45.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}.wp-block-kadence-advancedbtn .kb-btn65610_ba5682-45.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_ba5682-45.kb-button:focus{border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}}<\/style><a class=\"kb-button kt-button button kb-btn65610_ba5682-45 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/discover.restek.com\/articles\/evar3552\/guide-to-pfas-testing-methods\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong>View Methods Guide<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-wrap.wp-block-kadence-rowlayout.kb-row-layout-id65610_cc0f29-68{margin-top:0px;margin-bottom:0px;}.kb-row-layout-id65610_cc0f29-68 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id65610_cc0f29-68 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id65610_cc0f29-68 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;grid-template-columns:repeat(2, minmax(0, 1fr));}.kb-row-layout-id65610_cc0f29-68 > .kt-row-layout-overlay{opacity:0.30;}@media all and (min-width: 1025px){.kb-row-layout-id65610_cc0f29-68{display:none !important;}}@media all and (max-width: 1024px){.kb-row-layout-id65610_cc0f29-68 > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id65610_cc0f29-68 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id65610_cc0f29-68 alignnone kb-v-lg-hidden hub-guttered-centered-container wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top kt-inner-column-height-full\">\n<style>.kadence-column65610_10b68e-5a > .kt-inside-inner-col{display:flex;}.kadence-column65610_10b68e-5a > .kt-inside-inner-col{padding-top:30px;padding-right:30px;padding-bottom:30px;padding-left:30px;}.kadence-column65610_10b68e-5a > .kt-inside-inner-col,.kadence-column65610_10b68e-5a > .kt-inside-inner-col:before{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kadence-column65610_10b68e-5a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_10b68e-5a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_10b68e-5a > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column65610_10b68e-5a{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_10b68e-5a{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_10b68e-5a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_10b68e-5a > .kt-inside-inner-col{background-image:url('https:\/\/discover.restek.com\/wp-content\/uploads\/header-gnlp4243-pfas-hub-background-texture.jpg');background-size:cover;background-position:50% 50%;background-attachment:scroll;background-repeat:no-repeat;}.kadence-column65610_10b68e-5a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_10b68e-5a{position:relative;}.kadence-column65610_10b68e-5a, .kt-inside-inner-col > .kadence-column65610_10b68e-5a:not(.specificity){margin-right:0px;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column65610_10b68e-5a{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_10b68e-5a{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_10b68e-5a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column65610_10b68e-5a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column65610_10b68e-5a{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_10b68e-5a{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_10b68e-5a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_10b68e-5a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_10b68e-5a\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading65610_c592f6-af, .wp-block-kadence-advancedheading.kt-adv-heading65610_c592f6-af[data-kb-block=\"kb-adv-heading65610_c592f6-af\"]{max-width:100%;margin-right:auto;margin-left:auto;text-align:center;font-size:20px;font-weight:600;font-style:normal;font-family:Inter;}.wp-block-kadence-advancedheading.kt-adv-heading65610_c592f6-af mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_c592f6-af[data-kb-block=\"kb-adv-heading65610_c592f6-af\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_c592f6-af img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_c592f6-af[data-kb-block=\"kb-adv-heading65610_c592f6-af\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading65610_c592f6-af wp-block-kadence-advancedheading has-theme-palette-9-color has-text-color\" data-kb-block=\"kb-adv-heading65610_c592f6-af\"><strong><strong><strong>Find the Right Products<\/strong> <strong>by Method<\/strong><\/strong><\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_66ce03-a6{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns65610_66ce03-a6 .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_66ce03-a6 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_66ce03-a6 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_66ce03-a6 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_66ce03-a6 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_66ce03-a6 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_66ce03-a6 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_66ce03-a6 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn.kb-btns65610_66ce03-a6{justify-content:center;align-items:center;}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn.kb-btns65610_66ce03-a6{justify-content:center;align-items:center;}}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_66ce03-a6\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_76fa86-66.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_76fa86-66.kb-button{color:#ffffff;background:#61b522;font-size:16px;line-height:20px;font-family:'Open Sans';font-weight:600;border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-right-radius:8px;border-bottom-left-radius:8px;border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;padding-top:12px;padding-right:16px;padding-bottom:12px;padding-left:16px;}.kb-btn65610_76fa86-66.kb-button .kb-svg-icon-wrap{color:var(--global-palette9, #ffffff);font-size:16px;--kb-button-icon-size:16px;}.kb-btn65610_76fa86-66.kb-button:hover .kb-svg-icon-wrap, .kb-btn65610_76fa86-66.kb-button:focus .kb-svg-icon-wrap{color:var(--global-palette9, #ffffff);}.wp-block-kadence-advancedbtn .kb-btn65610_76fa86-66.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_76fa86-66.kb-button:focus{color:var(--global-palette9, #ffffff);background:#075085;border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_76fa86-66.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_76fa86-66.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_76fa86-66.kb-button:focus{border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn65610_76fa86-66.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}.wp-block-kadence-advancedbtn .kb-btn65610_76fa86-66.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_76fa86-66.kb-button:focus{border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}}<\/style><a class=\"kb-button kt-button button kb-btn65610_76fa86-66 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/discover.restek.com\/articles\/evar3498\/lab-supplies-for-pfas-analysis\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong>Explore Products Guide<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column65610_df1990-d3 > .kt-inside-inner-col{display:flex;}.kadence-column65610_df1990-d3 > .kt-inside-inner-col{padding-top:30px;padding-right:30px;padding-bottom:30px;padding-left:30px;}.kadence-column65610_df1990-d3 > .kt-inside-inner-col,.kadence-column65610_df1990-d3 > .kt-inside-inner-col:before{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kadence-column65610_df1990-d3 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_df1990-d3 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_df1990-d3 > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column65610_df1990-d3{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_df1990-d3{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_df1990-d3 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_df1990-d3 > .kt-inside-inner-col{background-image:url('https:\/\/discover.restek.com\/wp-content\/uploads\/header-gnlp4243-pfas-hub-background-texture.jpg');background-size:cover;background-position:center center;background-attachment:scroll;background-repeat:no-repeat;}.kadence-column65610_df1990-d3 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_df1990-d3{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column65610_df1990-d3{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_df1990-d3{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_df1990-d3 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column65610_df1990-d3 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column65610_df1990-d3{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_df1990-d3{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_df1990-d3 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_df1990-d3 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_df1990-d3\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading65610_818839-9b, .wp-block-kadence-advancedheading.kt-adv-heading65610_818839-9b[data-kb-block=\"kb-adv-heading65610_818839-9b\"]{max-width:100%;margin-right:auto;margin-left:auto;text-align:center;font-size:20px;font-weight:600;font-style:normal;font-family:Inter;}.wp-block-kadence-advancedheading.kt-adv-heading65610_818839-9b mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_818839-9b[data-kb-block=\"kb-adv-heading65610_818839-9b\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_818839-9b img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_818839-9b[data-kb-block=\"kb-adv-heading65610_818839-9b\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading65610_818839-9b wp-block-kadence-advancedheading has-theme-palette-9-color has-text-color\" data-kb-block=\"kb-adv-heading65610_818839-9b\"><strong><strong><strong>Compare Methods with Confidence<\/strong><\/strong><\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_4762ac-b5{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns65610_4762ac-b5 .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_4762ac-b5 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_4762ac-b5 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_4762ac-b5 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_4762ac-b5 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_4762ac-b5 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_4762ac-b5 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_4762ac-b5 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn.kb-btns65610_4762ac-b5{justify-content:center;align-items:center;}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn.kb-btns65610_4762ac-b5{justify-content:center;align-items:center;}}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_4762ac-b5\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_3d4f4e-e6.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_3d4f4e-e6.kb-button{color:#ffffff;background:#61b522;font-size:16px;line-height:20px;font-family:'Open Sans';font-weight:600;border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-right-radius:8px;border-bottom-left-radius:8px;border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;padding-top:12px;padding-right:16px;padding-bottom:12px;padding-left:16px;}.kb-btn65610_3d4f4e-e6.kb-button .kb-svg-icon-wrap{font-size:16px;--kb-button-icon-size:16px;}.wp-block-kadence-advancedbtn .kb-btn65610_3d4f4e-e6.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_3d4f4e-e6.kb-button:focus{color:var(--global-palette9, #ffffff);background:#075085;border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_3d4f4e-e6.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_3d4f4e-e6.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_3d4f4e-e6.kb-button:focus{border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn65610_3d4f4e-e6.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}.wp-block-kadence-advancedbtn .kb-btn65610_3d4f4e-e6.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_3d4f4e-e6.kb-button:focus{border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}}<\/style><a class=\"kb-button kt-button button kb-btn65610_3d4f4e-e6 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/discover.restek.com\/articles\/evar3552\/guide-to-pfas-testing-methods\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong>View Methods Guide<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n<style>.kb-row-layout-id65610_b9f4c8-8d > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id65610_b9f4c8-8d > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id65610_b9f4c8-8d > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id65610_b9f4c8-8d{background-color:#ebf9fc;}.kb-row-layout-id65610_b9f4c8-8d > .kt-row-layout-overlay{opacity:0.30;}.kb-row-layout-id65610_b9f4c8-8d .kt-row-layout-bottom-sep{height:40px;}.kb-row-layout-id65610_b9f4c8-8d .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id65610_b9f4c8-8d .kt-row-layout-bottom-sep svg{fill:var(--global-palette9, #ffffff)!important;}.kb-row-layout-id65610_b9f4c8-8d .kt-row-layout-top-sep{height:40px;}.kb-row-layout-id65610_b9f4c8-8d .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id65610_b9f4c8-8d .kt-row-layout-top-sep svg{fill:var(--global-palette9, #ffffff)!important;}@media all and (max-width: 1024px){.kb-row-layout-id65610_b9f4c8-8d > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 1024px){.kb-row-layout-id65610_b9f4c8-8d .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id65610_b9f4c8-8d .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id65610_b9f4c8-8d > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id65610_b9f4c8-8d .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id65610_b9f4c8-8d .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id65610_b9f4c8-8d alignnone kt-row-has-bg hub-fullwidth-container resource-hub-section wp-block-kadence-rowlayout\"><div class=\"kt-row-layout-top-sep kt-row-sep-type-crvri\"><svg viewBox=\"0 0 1000 100\" preserveAspectRatio=\"none\"><path d=\"M1000,0c0,0 -120.987,98 -350,98c-229.013,0 -650,-98 -650,-98l0,100l1000,0l0,-100Z\" \/><\/svg><\/div><div class=\"kt-row-layout-bottom-sep kt-row-sep-type-crvi\"><svg viewBox=\"0 0 1000 100\" preserveAspectRatio=\"none\"><path d=\"M1000,0c0,0 -270.987,98 -500,98c-229.013,0 -500,-98 -500,-98l0,100l1000,0l0,-100Z\" \/><\/svg><\/div><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column65610_fb50e0-fb > .kt-inside-inner-col{display:flex;}.kadence-column65610_fb50e0-fb > .kt-inside-inner-col{padding-top:55px;padding-right:0px;padding-bottom:55px;padding-left:0px;}.kadence-column65610_fb50e0-fb > .kt-inside-inner-col,.kadence-column65610_fb50e0-fb > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_fb50e0-fb > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_fb50e0-fb > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_fb50e0-fb > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column65610_fb50e0-fb{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_fb50e0-fb{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_fb50e0-fb > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_fb50e0-fb > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_fb50e0-fb{position:relative;}.kadence-column65610_fb50e0-fb, .kt-inside-inner-col > .kadence-column65610_fb50e0-fb:not(.specificity){margin-top:0px;margin-right:var(--global-kb-spacing-auto, auto);margin-bottom:0px;margin-left:var(--global-kb-spacing-auto, auto);}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column65610_fb50e0-fb{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_fb50e0-fb{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_fb50e0-fb > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column65610_fb50e0-fb > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column65610_fb50e0-fb{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_fb50e0-fb{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_fb50e0-fb > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_fb50e0-fb > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_fb50e0-fb hub-guttered-centered-container\" id=\"chromatograms\"><div class=\"kt-inside-inner-col\"><style>.kt-sc65610_7f16a2-07 .kt-sc-imgcol, .kt-sc65610_7f16a2-07 .kt-sc-textcol{min-height:0px;}.kt-sc65610_7f16a2-07 .kt-sc-textcol{padding-top:0px;padding-right:20px;padding-bottom:0px;padding-left:0px;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;}@media all and (max-width: 1024px){.kt-sc65610_7f16a2-07 .kt-sc-textcol{padding-top:0px;padding-right:20px;padding-bottom:0px;padding-left:0px;}}@media all and (max-width: 767px){.kt-sc65610_7f16a2-07 .kt-sc-imgcol, .kt-sc65610_7f16a2-07 .kt-sc-textcol{min-height:450px;}.kt-sc65610_7f16a2-07 .kt-sc-textcol{padding-top:20px;padding-right:0px;padding-bottom:0px;padding-left:0px;}}<\/style>\n<div class=\"aligncenter kt-sc65610_7f16a2-07 wp-block-kadence-splitcontent\"><div class=\"kt-split-content-wrap kt-sc-media-side-right\" style=\"grid-template-columns:auto 38%\"><div class=\"kt-sc-imgcol kt-sc-imgcol-bg-auto kt-sc-img-side-right\"><figure class=\"kt-split-content-media-image wp-image-container-67550\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/app-hub-feature-ad-cgram-pfas.jpg\" alt=\"A person viewing a PFAS chromatogram on a computer.\" width=\"657\" height=\"500\" class=\"kt-split-content-img wp-image-67550\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/app-hub-feature-ad-cgram-pfas.jpg 657w, https:\/\/discover.restek.com\/wp-content\/uploads\/app-hub-feature-ad-cgram-pfas-300x228.jpg 300w\" sizes=\"auto, (max-width: 657px) 100vw, 657px\" \/><\/figure><\/div><div class=\"kt-sc-textcol kt-sc-text-valign-center kt-sc-text-halign-center\"><div class=\"kt-sc-innter-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading65610_fc537d-f6, .wp-block-kadence-advancedheading.kt-adv-heading65610_fc537d-f6[data-kb-block=\"kb-adv-heading65610_fc537d-f6\"]{max-width:100%;text-align:left;font-size:48px;line-height:55px;font-weight:400;font-style:normal;font-family:'Open Sans';}.wp-block-kadence-advancedheading.kt-adv-heading65610_fc537d-f6, .wp-block-kadence-advancedheading.kt-adv-heading65610_fc537d-f6[data-kb-block=\"kb-adv-heading65610_fc537d-f6\"] .kb-adv-text-inner{background-image:linear-gradient(270deg,rgb(4,137,214) 0%,rgb(1,94,155) 100%);background-clip:text;-webkit-box-decoration-break:clone;box-decoration-break:clone;-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.wp-block-kadence-advancedheading.kt-adv-heading65610_fc537d-f6 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_fc537d-f6[data-kb-block=\"kb-adv-heading65610_fc537d-f6\"] mark.kt-highlight{font-style:normal;-webkit-text-fill-color:initial !important;-webkit-background-clip:initial !important;background-clip:initial !important;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_fc537d-f6 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_fc537d-f6[data-kb-block=\"kb-adv-heading65610_fc537d-f6\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading65610_fc537d-f6, .wp-block-kadence-advancedheading.kt-adv-heading65610_fc537d-f6[data-kb-block=\"kb-adv-heading65610_fc537d-f6\"]{font-size:40px;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading65610_fc537d-f6, .wp-block-kadence-advancedheading.kt-adv-heading65610_fc537d-f6[data-kb-block=\"kb-adv-heading65610_fc537d-f6\"]{font-size:36px;}}<\/style><h2 class=\"kt-adv-heading65610_fc537d-f6 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading65610_fc537d-f6\"><span class=\"kb-adv-text-inner\">Proven PFAS Performance<br>in Real Applications<\/span><\/h2>\n\n\n<p class=\"has-text-align-left wp-block-paragraph\" style=\"font-size:23px\">See how Restek products perform across real PFAS workflows\u2014from drinking water to complex environmental samples.<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_b0d7a0-fd{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:flex-start;align-items:center;}.kt-btns65610_b0d7a0-fd .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_b0d7a0-fd .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_b0d7a0-fd .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_b0d7a0-fd .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_b0d7a0-fd .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_b0d7a0-fd .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_b0d7a0-fd .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_b0d7a0-fd .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_b0d7a0-fd\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_dfb6f5-95.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_dfb6f5-95.kb-button{color:#ffffff;background:#015e9a;font-size:16px;line-height:20px;font-family:'Open Sans';font-weight:600;border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-right-radius:8px;border-bottom-left-radius:8px;border-top:2px solid #015e9a;border-right:2px solid #015e9a;border-bottom:2px solid #015e9a;border-left:2px solid #015e9a;padding-top:12px;padding-right:16px;padding-bottom:12px;padding-left:16px;}.kb-btn65610_dfb6f5-95.kb-button .kb-svg-icon-wrap{color:var(--global-palette9, #ffffff);font-size:16px;--kb-button-icon-size:16px;}.kb-btn65610_dfb6f5-95.kb-button:hover .kb-svg-icon-wrap, .kb-btn65610_dfb6f5-95.kb-button:focus .kb-svg-icon-wrap{color:#015e9a;}.wp-block-kadence-advancedbtn .kb-btn65610_dfb6f5-95.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_dfb6f5-95.kb-button:focus{color:#015e9a;background:#ebf9fc;border-top:2px solid #015e9a;border-right:2px solid #015e9a;border-bottom:2px solid #015e9a;border-left:2px solid #015e9a;}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_dfb6f5-95.kb-button{border-top:2px solid #015e9a;border-right:2px solid #015e9a;border-bottom:2px solid #015e9a;border-left:2px solid #015e9a;}}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_dfb6f5-95.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_dfb6f5-95.kb-button:focus{border-top:2px solid #015e9a;border-right:2px solid #015e9a;border-bottom:2px solid #015e9a;border-left:2px solid #015e9a;}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn65610_dfb6f5-95.kb-button{border-top:2px solid #015e9a;border-right:2px solid #015e9a;border-bottom:2px solid #015e9a;border-left:2px solid #015e9a;}.wp-block-kadence-advancedbtn .kb-btn65610_dfb6f5-95.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_dfb6f5-95.kb-button:focus{border-top:2px solid #015e9a;border-right:2px solid #015e9a;border-bottom:2px solid #015e9a;border-left:2px solid #015e9a;}}<\/style><a class=\"kb-button kt-button button kb-btn65610_dfb6f5-95 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/www.restek.com\/pfas-chromatogram-library\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong>View PFAS Chromatograms<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<div class=\"wp-block-group hub-fullwidth-container resource-hub-section has-theme-palette-9-background-color has-background\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-81d2145a wp-block-group-is-layout-constrained\">\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.kadence-column65610_6f9dcb-94 > .kt-inside-inner-col{padding-top:45px;padding-right:0px;padding-bottom:50px;padding-left:0px;}.kadence-column65610_6f9dcb-94 > .kt-inside-inner-col,.kadence-column65610_6f9dcb-94 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_6f9dcb-94 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_6f9dcb-94 > .kt-inside-inner-col{flex-direction:column;}.kadence-column65610_6f9dcb-94 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_6f9dcb-94 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_6f9dcb-94{position:relative;}@media all and (max-width: 1024px){.kadence-column65610_6f9dcb-94 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_6f9dcb-94 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_6f9dcb-94 hub-guttered-centered-container\" id=\"resources\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading65610_124413-dc, .wp-block-kadence-advancedheading.kt-adv-heading65610_124413-dc[data-kb-block=\"kb-adv-heading65610_124413-dc\"]{text-align:left;font-size:48px;line-height:55px;font-weight:400;font-style:normal;font-family:'Open Sans';}.wp-block-kadence-advancedheading.kt-adv-heading65610_124413-dc, .wp-block-kadence-advancedheading.kt-adv-heading65610_124413-dc[data-kb-block=\"kb-adv-heading65610_124413-dc\"] .kb-adv-text-inner{background-image:linear-gradient(270deg,rgb(4,137,214) 0%,rgb(1,94,155) 100%);background-clip:text;-webkit-box-decoration-break:clone;box-decoration-break:clone;-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.wp-block-kadence-advancedheading.kt-adv-heading65610_124413-dc mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_124413-dc[data-kb-block=\"kb-adv-heading65610_124413-dc\"] mark.kt-highlight{font-style:normal;-webkit-text-fill-color:initial !important;-webkit-background-clip:initial !important;background-clip:initial !important;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_124413-dc img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_124413-dc[data-kb-block=\"kb-adv-heading65610_124413-dc\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading65610_124413-dc, .wp-block-kadence-advancedheading.kt-adv-heading65610_124413-dc[data-kb-block=\"kb-adv-heading65610_124413-dc\"]{font-size:40px;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading65610_124413-dc, .wp-block-kadence-advancedheading.kt-adv-heading65610_124413-dc[data-kb-block=\"kb-adv-heading65610_124413-dc\"]{font-size:36px;}}<\/style><h2 class=\"kt-adv-heading65610_124413-dc wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading65610_124413-dc\"><span class=\"kb-adv-text-inner\">PFAS Resources &amp; Insights<\/span><\/h2>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:23px\">Good data starts with good information. Restek&#8217;s PFAS resource library covers everything from method development and column selection to app notes and webinars.<\/p>\n\n\n<style>.kt-post-loop65610_8515b8-1b .kadence-post-image{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kadence-post-image img{border-top-left-radius:16px;border-top-right-radius:16px;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item{height:100%;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item-inner-wrap{height:100%;display:flex;flex-direction:column;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item-inner-wrap .kt-blocks-post-grid-item-inner{flex-grow:1;display:flex;flex-direction:column;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item .entry-content{flex-grow:1;display:flex;flex-direction:column;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-readmore-wrap{margin-top:auto;}.kt-post-loop65610_8515b8-1b .kt-post-grid-wrap{gap:30px 24px;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;border-top:1px solid #61b522;border-right:1px solid #61b522;border-bottom:1px solid #61b522;border-left:1px solid #61b522;background-color:var(--global-palette9, #ffffff);overflow:hidden;box-shadow:0px 0px 0px 1px #ced4da;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item .kt-blocks-post-grid-item-inner{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item .kt-blocks-post-grid-item-inner{text-align:left;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item header{padding-top:0px;padding-right:15px;padding-bottom:10px;padding-left:15px;margin-top:24px;margin-right:0px;margin-bottom:0px;margin-left:0px;background-color:#ffffff;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item .kt-blocks-above-categories{font-size:14px;line-height:20px;font-family:'Open Sans';font-weight:400;font-style:normal;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item .kt-blocks-above-categories a{color:#62748e;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item .entry-title{color:#0c115b;padding-top:10px;padding-right:0px;padding-bottom:5px;padding-left:0px;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-size:18px;line-height:21px;font-family:'Open Sans';font-weight:600;font-style:normal;}.kt-post-loop65610_8515b8-1b .entry-content{padding-top:0px;padding-right:15px;padding-bottom:0px;padding-left:15px;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;}.kt-post-loop65610_8515b8-1b .kt-blocks-post-footer{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;padding-top:0px;padding-right:15px;padding-bottom:25px;padding-left:15px;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;}.kt-post-loop65610_8515b8-1b .entry-content:after{height:0px;}.kt-post-loop65610_8515b8-1b .entry-content .kt-blocks-post-readmore{background-color:#ffffff;border-color:#444444;color:#61b522;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-size:16px;line-height:20px;font-family:'Open Sans';font-weight:700;font-style:normal;}.kt-post-loop65610_8515b8-1b .entry-content .kt-blocks-post-readmore:hover{color:var(--global-palette2, #2B6CB0);border-color:var(--global-palette9, #ffffff);background-color:var(--global-palette9, #ffffff);}.kt-post-loop65610_8515b8-1b .kb-filter-item{border-top-width:0px;border-right-width:0px;border-bottom-width:2px;border-left-width:0px;padding-top:5px;padding-right:8px;padding-bottom:5px;padding-left:8px;margin-top:0px;margin-right:10px;margin-bottom:0px;margin-left:0px;}@media all and (max-width: 1024px){.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item{border-top:1px solid #61b522;border-right:1px solid #61b522;border-bottom:1px solid #61b522;border-left:1px solid #61b522;}}@media all and (max-width: 767px){.kt-post-loop65610_8515b8-1b .kt-blocks-post-grid-item{border-top:1px solid #61b522;border-right:1px solid #61b522;border-bottom:1px solid #61b522;border-left:1px solid #61b522;}}<\/style><div class=\"wp-block-kadence-postgrid kt-blocks-post-loop-block alignnone kt-post-loop65610_8515b8-1b kt-post-grid-layout-grid  ourresourcehub-postgrid\"><div class=\"kt-post-grid-layout-grid-wrap kt-post-grid-wrap\" data-columns-xxl=\"4\" data-columns-xl=\"4\" data-columns-md=\"4\" data-columns-sm=\"2\" data-columns-xs=\"2\" data-columns-ss=\"1\"data-item-selector=\".kt-post-masonry-item\" aria-label=\"Post Carousel\"><article class=\"kt-blocks-post-grid-item post-73559 post type-post status-publish format-standard has-post-thumbnail hentry category-application-notes tag-pfas industries-application-food-beverage industries-application-food-safety 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.kt-inside-inner-col{flex-direction:column;}.kadence-column65610_2536c5-f8 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_2536c5-f8 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_2536c5-f8{position:relative;}@media all and (max-width: 1024px){.kadence-column65610_2536c5-f8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_2536c5-f8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_2536c5-f8\"><div class=\"kt-inside-inner-col\"><style>.kadence-column65610_f64eec-24 > .kt-inside-inner-col{display:flex;}.kadence-column65610_f64eec-24 > .kt-inside-inner-col{padding-top:45px;padding-bottom:40px;}.kadence-column65610_f64eec-24 > .kt-inside-inner-col,.kadence-column65610_f64eec-24 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_f64eec-24 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_f64eec-24 > .kt-inside-inner-col{flex-direction:column;align-items:flex-start;}.kadence-column65610_f64eec-24 > .kt-inside-inner-col > .kb-image-is-ratio-size{align-self:stretch;}.kadence-column65610_f64eec-24 > .kt-inside-inner-col > .wp-block-kadence-advancedgallery{align-self:stretch;}.kadence-column65610_f64eec-24 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_f64eec-24 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_f64eec-24{position:relative;}@media all and (max-width: 1024px){.kadence-column65610_f64eec-24 > .kt-inside-inner-col{padding-top:40px;padding-bottom:40px;flex-direction:column;justify-content:center;align-items:flex-start;}}@media all and (max-width: 767px){.kadence-column65610_f64eec-24 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:flex-start;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_f64eec-24 hub-guttered-centered-container faq-accordion\" id=\"faqs\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading65610_56dd71-26, .wp-block-kadence-advancedheading.kt-adv-heading65610_56dd71-26[data-kb-block=\"kb-adv-heading65610_56dd71-26\"]{text-align:left;font-size:48px;line-height:55px;font-weight:400;font-style:normal;font-family:'Open Sans';}.wp-block-kadence-advancedheading.kt-adv-heading65610_56dd71-26, .wp-block-kadence-advancedheading.kt-adv-heading65610_56dd71-26[data-kb-block=\"kb-adv-heading65610_56dd71-26\"] .kb-adv-text-inner{background-image:linear-gradient(270deg,rgb(4,137,214) 0%,rgb(1,94,155) 100%);background-clip:text;-webkit-box-decoration-break:clone;box-decoration-break:clone;-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.wp-block-kadence-advancedheading.kt-adv-heading65610_56dd71-26 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_56dd71-26[data-kb-block=\"kb-adv-heading65610_56dd71-26\"] mark.kt-highlight{font-style:normal;-webkit-text-fill-color:initial !important;-webkit-background-clip:initial !important;background-clip:initial !important;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_56dd71-26 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_56dd71-26[data-kb-block=\"kb-adv-heading65610_56dd71-26\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading65610_56dd71-26, .wp-block-kadence-advancedheading.kt-adv-heading65610_56dd71-26[data-kb-block=\"kb-adv-heading65610_56dd71-26\"]{font-size:40px;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading65610_56dd71-26, .wp-block-kadence-advancedheading.kt-adv-heading65610_56dd71-26[data-kb-block=\"kb-adv-heading65610_56dd71-26\"]{font-size:36px;}}<\/style><h2 class=\"kt-adv-heading65610_56dd71-26 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading65610_56dd71-26\"><span class=\"kb-adv-text-inner\">PFAS Analysis FAQs<\/span><\/h2>\n\n<style>.kadence-column65610_b9ca87-d0 > .kt-inside-inner-col{display:flex;}.kadence-column65610_b9ca87-d0 > .kt-inside-inner-col,.kadence-column65610_b9ca87-d0 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_b9ca87-d0 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_b9ca87-d0 > .kt-inside-inner-col{flex-direction:column;align-items:stretch;}.kadence-column65610_b9ca87-d0 > .kt-inside-inner-col > .kb-image-is-ratio-size{align-self:stretch;}.kadence-column65610_b9ca87-d0 > .kt-inside-inner-col > .wp-block-kadence-advancedgallery{align-self:stretch;}.kadence-column65610_b9ca87-d0 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_b9ca87-d0 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_b9ca87-d0{position:relative;}.kadence-column65610_b9ca87-d0, .kt-inside-inner-col > .kadence-column65610_b9ca87-d0:not(.specificity){margin-top:24px;}@media all and (max-width: 1024px){.kadence-column65610_b9ca87-d0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:stretch;}}@media all and (max-width: 767px){.kadence-column65610_b9ca87-d0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:stretch;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_b9ca87-d0 faq-accordion-section-top\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id65610_ae4553-07 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id65610_ae4553-07 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id65610_ae4553-07 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id65610_ae4553-07 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id65610_ae4553-07 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id65610_ae4553-07 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id65610_ae4553-07 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column65610_424c4d-8c > .kt-inside-inner-col,.kadence-column65610_424c4d-8c > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_424c4d-8c > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_424c4d-8c > .kt-inside-inner-col{flex-direction:column;}.kadence-column65610_424c4d-8c > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_424c4d-8c > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_424c4d-8c{position:relative;}@media all and (max-width: 1024px){.kadence-column65610_424c4d-8c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_424c4d-8c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_424c4d-8c\"><div class=\"kt-inside-inner-col\"><style>.kt-accordion-id65610_88b16f-0f .kt-accordion-inner-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:16px;}.kt-accordion-id65610_88b16f-0f .kt-accordion-panel-inner{border-top:0px solid #ced4da;border-right:0px solid #ced4da;border-bottom:0px solid #ced4da;border-left:0px solid #ced4da;border-bottom-right-radius:8px;border-bottom-left-radius:8px;background:#ffffff;padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);}.kt-accordion-id65610_88b16f-0f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top-color:var(--global-palette9, #ffffff);border-top-style:solid;border-right-color:var(--global-palette9, #ffffff);border-right-style:solid;border-bottom-color:var(--global-palette9, #ffffff);border-bottom-style:solid;border-left-color:var(--global-palette9, #ffffff);border-left-style:solid;border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-right-radius:8px;border-bottom-left-radius:8px;background:#ffffff;font-size:var(--global-kb-font-size-md, 1.25rem);line-height:20px;font-family:'Open Sans';font-weight:600;color:#212529;padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);}.kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:before{background:#212529;}.kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger{background:#212529;}.kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:before{background:#ffffff;}.kt-accordion-id65610_88b16f-0f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id65610_88b16f-0f .kt-blocks-accordion-header:focus-visible{color:#444444;border-top-color:var(--global-palette9, #ffffff);border-top-style:solid;border-right-color:var(--global-palette9, #ffffff);border-right-style:solid;border-bottom-color:var(--global-palette9, #ffffff);border-bottom-style:solid;border-left-color:var(--global-palette9, #ffffff);border-left-style:solid;}.kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion--visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#444444;}.kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger, body:not(.hide-focus-outline) .kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger{background:#444444;}.kt-accordion-id65610_88b16f-0f .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id65610_88b16f-0f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{color:#444444;background:#ffffff;border-top:0px solid var(--global-palette9, #ffffff);border-right:0px solid var(--global-palette9, #ffffff);border-bottom:0px solid var(--global-palette9, #ffffff);border-left:0px solid var(--global-palette9, #ffffff);}.kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:#444444;}.kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger{background:#444444;}.kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id65610_88b16f-0f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:#ffffff;}@media all and (max-width: 1024px){.kt-accordion-id65610_88b16f-0f .kt-accordion-panel-inner{border-top:0px solid #ced4da;border-right:0px solid #ced4da;border-bottom:0px solid #ced4da;border-left:0px solid #ced4da;}}@media all and (max-width: 1024px){.kt-accordion-id65610_88b16f-0f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top-color:var(--global-palette9, #ffffff);border-top-style:solid;border-right-color:var(--global-palette9, #ffffff);border-right-style:solid;border-bottom-color:var(--global-palette9, #ffffff);border-bottom-style:solid;border-left-color:var(--global-palette9, #ffffff);border-left-style:solid;}}@media all and (max-width: 1024px){.kt-accordion-id65610_88b16f-0f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id65610_88b16f-0f .kt-blocks-accordion-header:focus-visible{border-top-color:var(--global-palette9, #ffffff);border-top-style:solid;border-right-color:var(--global-palette9, #ffffff);border-right-style:solid;border-bottom-color:var(--global-palette9, #ffffff);border-bottom-style:solid;border-left-color:var(--global-palette9, #ffffff);border-left-style:solid;}}@media all and (max-width: 1024px){.kt-accordion-id65610_88b16f-0f .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id65610_88b16f-0f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top:0px solid var(--global-palette9, #ffffff);border-right:0px solid var(--global-palette9, #ffffff);border-bottom:0px solid var(--global-palette9, #ffffff);border-left:0px solid var(--global-palette9, #ffffff);}}@media all and (max-width: 767px){.kt-accordion-id65610_88b16f-0f .kt-accordion-inner-wrap{display:block;}.kt-accordion-id65610_88b16f-0f .kt-accordion-inner-wrap .kt-accordion-pane:not(:first-child){margin-top:16px;}.kt-accordion-id65610_88b16f-0f .kt-accordion-panel-inner{border-top:0px solid #ced4da;border-right:0px solid #ced4da;border-bottom:0px solid #ced4da;border-left:0px solid #ced4da;}.kt-accordion-id65610_88b16f-0f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top-color:var(--global-palette9, #ffffff);border-top-style:solid;border-right-color:var(--global-palette9, #ffffff);border-right-style:solid;border-bottom-color:var(--global-palette9, #ffffff);border-bottom-style:solid;border-left-color:var(--global-palette9, #ffffff);border-left-style:solid;}.kt-accordion-id65610_88b16f-0f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id65610_88b16f-0f .kt-blocks-accordion-header:focus-visible{border-top-color:var(--global-palette9, #ffffff);border-top-style:solid;border-right-color:var(--global-palette9, #ffffff);border-right-style:solid;border-bottom-color:var(--global-palette9, #ffffff);border-bottom-style:solid;border-left-color:var(--global-palette9, #ffffff);border-left-style:solid;}.kt-accordion-id65610_88b16f-0f .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id65610_88b16f-0f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top:0px solid var(--global-palette9, #ffffff);border-right:0px solid var(--global-palette9, #ffffff);border-bottom:0px solid var(--global-palette9, #ffffff);border-left:0px solid var(--global-palette9, #ffffff);}}<\/style>\n<div class=\"wp-block-kadence-accordion alignnone\"><div class=\"kt-accordion-wrap kt-accordion-id65610_88b16f-0f kt-accordion-has-5-panes kt-active-pane-0 kt-accordion-block kt-pane-header-alignment-left kt-accodion-icon-style-arrow kt-accodion-icon-side-right\" style=\"max-width:none\"><div class=\"kt-accordion-inner-wrap\" data-allow-multiple-open=\"false\" data-start-open=\"none\">\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-1 kt-pane65610_3ff68d-68 item-accordion\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">What are PFAS?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"has-16-16-font-size wp-block-paragraph\">PFAS are per- and polyfluoroalkyl substances that are used as surface-active agents in the manufacture of a variety of products, such as firefighting foams, coating additives (e.g., nonstick pots and pans); textiles (waterproof clothing, stain resistant carpeting); and cleaning products. They are extremely resistant to breakdown in the environment and are found throughout the world in soil, air, groundwater, municipal refuse, and landfill leachates. Two of the most common PFAS are perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS).<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-3 kt-pane65610_f8d352-55 item-accordion\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">How can I compare PFAS testing methods?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"has-16-16-font-size wp-block-paragraph\">Comparing PFAS methods starts with understanding your application, target compounds, and reporting needs. Our method guides help you review key differences and choose a method that fits your workflow.<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_95e438-b1{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:flex-start;align-items:center;}.kt-btns65610_95e438-b1 .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_95e438-b1 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_95e438-b1 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_95e438-b1 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_95e438-b1 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_95e438-b1 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_95e438-b1 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_95e438-b1 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_95e438-b1\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_98bcfc-d6.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_98bcfc-d6.kb-button{color:#ffffff;background:#61b522;font-size:16px;line-height:20px;font-family:'Open Sans';font-weight:600;border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-right-radius:8px;border-bottom-left-radius:8px;border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;padding-top:12px;padding-right:16px;padding-bottom:12px;padding-left:16px;}.kb-btn65610_98bcfc-d6.kb-button .kb-svg-icon-wrap{color:var(--global-palette9, #ffffff);font-size:16px;--kb-button-icon-size:16px;}.kb-btn65610_98bcfc-d6.kb-button:hover .kb-svg-icon-wrap, .kb-btn65610_98bcfc-d6.kb-button:focus .kb-svg-icon-wrap{color:#61b522;}.wp-block-kadence-advancedbtn .kb-btn65610_98bcfc-d6.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_98bcfc-d6.kb-button:focus{color:#61b522;background:var(--global-palette9, #ffffff);border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_98bcfc-d6.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_98bcfc-d6.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_98bcfc-d6.kb-button:focus{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn65610_98bcfc-d6.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}.wp-block-kadence-advancedbtn .kb-btn65610_98bcfc-d6.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_98bcfc-d6.kb-button:focus{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}<\/style><a class=\"kb-button kt-button button kb-btn65610_98bcfc-d6 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/discover.restek.com\/articles\/evar3552\/guide-to-pfas-testing-methods\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong>View Methods Guide<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-4 kt-pane65610_9a227d-09 item-accordion\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">How do I choose the right column for my PFAS testing method?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"has-16-16-font-size wp-block-paragraph\">Choosing the right column depends on your method, target compounds, and required separation. Our product guide helps you match column chemistry and performance to your specific PFAS workflow.<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_f0f67f-43{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:flex-start;align-items:center;}.kt-btns65610_f0f67f-43 .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_f0f67f-43 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_f0f67f-43 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_f0f67f-43 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_f0f67f-43 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_f0f67f-43 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_f0f67f-43 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_f0f67f-43 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_f0f67f-43\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_75f2a7-13.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_75f2a7-13.kb-button{color:#ffffff;background:#61b522;font-size:16px;line-height:20px;font-family:'Open Sans';font-weight:600;border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-right-radius:8px;border-bottom-left-radius:8px;border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;padding-top:12px;padding-right:16px;padding-bottom:12px;padding-left:16px;}.kb-btn65610_75f2a7-13.kb-button .kb-svg-icon-wrap{color:var(--global-palette9, #ffffff);font-size:16px;--kb-button-icon-size:16px;}.kb-btn65610_75f2a7-13.kb-button:hover .kb-svg-icon-wrap, .kb-btn65610_75f2a7-13.kb-button:focus .kb-svg-icon-wrap{color:#61b522;}.wp-block-kadence-advancedbtn .kb-btn65610_75f2a7-13.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_75f2a7-13.kb-button:focus{color:#61b522;background:var(--global-palette9, #ffffff);border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_75f2a7-13.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_75f2a7-13.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_75f2a7-13.kb-button:focus{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn65610_75f2a7-13.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}.wp-block-kadence-advancedbtn .kb-btn65610_75f2a7-13.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_75f2a7-13.kb-button:focus{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}<\/style><a class=\"kb-button kt-button button kb-btn65610_75f2a7-13 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/discover.restek.com\/articles\/evar3498\/lab-supplies-for-pfas-analysis\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong>Explore Products Guide<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-5 kt-pane65610_9100ce-e3 item-accordion\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">How do I know if my LC system has PFAS contamination?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"has-16-16-font-size wp-block-paragraph\">The easiest way to identify PFAS contamination in your LC is to pump mobile phase through the column for 30 minutes to give system-related PFAS a chance to build up at the head of the column. Then, inject a solvent blank, and when the gradient runs through the column, any PFAS that built up on the analytical column will elute and appear at the retention time matching where PFAS in your sample would elute.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Next, inject another solvent blank immediately after the solvent blank injection with the long equilibration time and look at the retention times for PFAS compounds. The purpose of this second injection is to not give enough time for the system-related PFAS to build up in your analytical LC column.<\/p>\n\n\n\n<p class=\"has-16-16-font-size wp-block-paragraph\">Compare the results of the immediate injection to those of the long equilibration time injection. If there are PFAS peaks in the long equilibration time injection, but not in the injection that immediately followed it, your LC contains system-generated PFAS contaminants that could interfere with trace analysis. If there are not any peaks at the retention times of the PFAS you are looking for in both injections, your instrument may not have a significant amount of system-related PFAS interference. This can occur if you are using an old LC unit with a new mass spectrometry system because most of the leachable, system-related PFAS have already leached out. However, this is not a permanent state; if you replace plastic components in any part of the instrument before the injector, it is highly likely that system-related PFAS interference will leach out unless the new parts are PFAS-free.<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<div class=\"wp-block-group hub-fullwidth-container has-theme-palette-9-background-color has-background\" style=\"margin-top:0px;margin-bottom:0px;padding-top:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><style>.kadence-column65610_a9e240-74 > .kt-inside-inner-col{padding-top:45px;padding-right:0px;padding-bottom:45px;padding-left:0px;}.kadence-column65610_a9e240-74 > .kt-inside-inner-col,.kadence-column65610_a9e240-74 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_a9e240-74 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_a9e240-74 > .kt-inside-inner-col{flex-direction:column;}.kadence-column65610_a9e240-74 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_a9e240-74 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_a9e240-74{position:relative;}@media all and (max-width: 1024px){.kadence-column65610_a9e240-74 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_a9e240-74 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_a9e240-74 hub-guttered-centered-container\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id65610_5c8f08-db > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id65610_5c8f08-db > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id65610_5c8f08-db > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:20px;padding-right:20px;padding-bottom:20px;padding-left:20px;grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id65610_5c8f08-db{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;overflow:clip;isolation:isolate;}.kb-row-layout-id65610_5c8f08-db > .kt-row-layout-overlay{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kb-row-layout-id65610_5c8f08-db > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id65610_5c8f08-db > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id65610_5c8f08-db > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id65610_5c8f08-db alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column65610_c6f88d-2a > .kt-inside-inner-col,.kadence-column65610_c6f88d-2a > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_c6f88d-2a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_c6f88d-2a > .kt-inside-inner-col{flex-direction:column;}.kadence-column65610_c6f88d-2a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_c6f88d-2a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_c6f88d-2a{position:relative;}@media all and (max-width: 1024px){.kadence-column65610_c6f88d-2a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_c6f88d-2a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_c6f88d-2a\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-contact-an-expert-leaf-graphic-1024x1024.png\" alt=\"Icon depicting customer service person.\" class=\"wp-image-95744\" style=\"width:100px\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-contact-an-expert-leaf-graphic-1024x1024.png 1024w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-contact-an-expert-leaf-graphic-300x300.png 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-contact-an-expert-leaf-graphic-150x150.png 150w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-contact-an-expert-leaf-graphic-768x768.png 768w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-contact-an-expert-leaf-graphic.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading65610_1efbac-67, .wp-block-kadence-advancedheading.kt-adv-heading65610_1efbac-67[data-kb-block=\"kb-adv-heading65610_1efbac-67\"]{margin-top:20px;text-align:center;font-size:48px;line-height:55px;font-weight:400;font-style:normal;font-family:'Open Sans';}.wp-block-kadence-advancedheading.kt-adv-heading65610_1efbac-67, .wp-block-kadence-advancedheading.kt-adv-heading65610_1efbac-67[data-kb-block=\"kb-adv-heading65610_1efbac-67\"] .kb-adv-text-inner{background-image:linear-gradient(270deg,rgb(4,137,214) 0%,rgb(1,94,155) 100%);background-clip:text;-webkit-box-decoration-break:clone;box-decoration-break:clone;-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.wp-block-kadence-advancedheading.kt-adv-heading65610_1efbac-67 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_1efbac-67[data-kb-block=\"kb-adv-heading65610_1efbac-67\"] mark.kt-highlight{font-style:normal;-webkit-text-fill-color:initial !important;-webkit-background-clip:initial !important;background-clip:initial !important;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_1efbac-67 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_1efbac-67[data-kb-block=\"kb-adv-heading65610_1efbac-67\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading65610_1efbac-67, .wp-block-kadence-advancedheading.kt-adv-heading65610_1efbac-67[data-kb-block=\"kb-adv-heading65610_1efbac-67\"]{font-size:40px;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading65610_1efbac-67, .wp-block-kadence-advancedheading.kt-adv-heading65610_1efbac-67[data-kb-block=\"kb-adv-heading65610_1efbac-67\"]{font-size:36px;}}<\/style><h2 class=\"kt-adv-heading65610_1efbac-67 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading65610_1efbac-67\"><span class=\"kb-adv-text-inner\">Need Help with Your PFAS Analysis?<\/span><\/h2>\n\n\n<p class=\"has-text-align-center has-17-font-size has-theme-palette-3-color has-text-color has-link-color wp-elements-83322fdd1716a262d8c63c48ae9648a2 wp-block-paragraph\" style=\"padding-right:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50);font-size:23px\">From method selection to product recommendations, our PFAS experts are here to help you navigate<br>complex workflows and achieve accurate, reliable results.<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_9347fb-a3{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns65610_9347fb-a3 .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_9347fb-a3 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_9347fb-a3 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_9347fb-a3 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_9347fb-a3 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_9347fb-a3 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_9347fb-a3 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_9347fb-a3 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_9347fb-a3\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_b6da1c-d1.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_b6da1c-d1.kb-button{color:var(--global-palette9, #ffffff);background:#61b522;font-size:var(--global-kb-font-size-md, 1.25rem);border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-right-radius:10px;border-bottom-left-radius:10px;border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}.kb-btn65610_b6da1c-d1.kb-button .kb-svg-icon-wrap{color:var(--global-palette9, #ffffff);}.kb-btn65610_b6da1c-d1.kb-button:hover .kb-svg-icon-wrap, .kb-btn65610_b6da1c-d1.kb-button:focus .kb-svg-icon-wrap{color:#61b522;}.wp-block-kadence-advancedbtn .kb-btn65610_b6da1c-d1.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_b6da1c-d1.kb-button:focus{color:#61b522;background:var(--global-palette9, #ffffff);border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_b6da1c-d1.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_b6da1c-d1.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_b6da1c-d1.kb-button:focus{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn65610_b6da1c-d1.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}.wp-block-kadence-advancedbtn .kb-btn65610_b6da1c-d1.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_b6da1c-d1.kb-button:focus{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}<\/style><a class=\"kb-button kt-button button kb-btn65610_b6da1c-d1 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/explore.restek.com\/PFAS\" target=\"_blank\" rel=\"noopener\"><span class=\"kt-btn-inner-text\"><strong>Contact a PFAS Expert<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group hub-fullwidth-container has-background\" style=\"background-color:#ebf9fc;margin-top:0px;margin-bottom:0px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><style>.kadence-column65610_2de2a7-b1 > .kt-inside-inner-col,.kadence-column65610_2de2a7-b1 > .kt-inside-inner-col:before{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kadence-column65610_2de2a7-b1 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_2de2a7-b1 > .kt-inside-inner-col{flex-direction:column;}.kadence-column65610_2de2a7-b1 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_2de2a7-b1 > .kt-inside-inner-col{background-color:var(--global-palette2, #2B6CB0);background-image:url('https:\/\/discover.restek.com\/wp-content\/uploads\/GNLP4243-ad-ezlc-for-PFAS-desktop-1.jpg');background-size:cover;background-position:21% 36%;background-attachment:scroll;background-repeat:no-repeat;}.kadence-column65610_2de2a7-b1 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_2de2a7-b1{position:relative;}.kadence-column65610_2de2a7-b1, .kt-inside-inner-col > .kadence-column65610_2de2a7-b1:not(.specificity){margin-top:45px;margin-bottom:10px;}@media all and (max-width: 1024px){.kadence-column65610_2de2a7-b1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_2de2a7-b1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_2de2a7-b1 kvs-md-false kvs-sm-false hub-guttered-centered-container\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id65610_8cb5da-f7 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id65610_8cb5da-f7 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id65610_8cb5da-f7 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:48px;padding-right:48px;padding-bottom:48px;padding-left:48px;grid-template-columns:minmax(0, calc(65% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)))minmax(0, calc(35% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)));}.kb-row-layout-id65610_8cb5da-f7 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id65610_8cb5da-f7 > .kt-row-column-wrap{grid-template-columns:minmax(0, 2fr) minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id65610_8cb5da-f7 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id65610_8cb5da-f7 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-left-golden kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column65610_87491c-c7 > .kt-inside-inner-col{display:flex;}.kadence-column65610_87491c-c7 > .kt-inside-inner-col,.kadence-column65610_87491c-c7 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_87491c-c7 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_87491c-c7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_87491c-c7 > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column65610_87491c-c7{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_87491c-c7{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_87491c-c7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_87491c-c7 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_87491c-c7{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column65610_87491c-c7{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_87491c-c7{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_87491c-c7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column65610_87491c-c7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column65610_87491c-c7{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_87491c-c7{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column65610_87491c-c7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column65610_87491c-c7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_87491c-c7\"><div class=\"kt-inside-inner-col\"><\/div><\/div>\n\n\n<style>.kadence-column65610_8aaedf-3a > .kt-inside-inner-col,.kadence-column65610_8aaedf-3a > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column65610_8aaedf-3a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column65610_8aaedf-3a > .kt-inside-inner-col{flex-direction:column;}.kadence-column65610_8aaedf-3a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column65610_8aaedf-3a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column65610_8aaedf-3a{position:relative;}@media all and (max-width: 1024px){.kadence-column65610_8aaedf-3a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column65610_8aaedf-3a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column65610_8aaedf-3a\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading65610_0a5832-bc, .wp-block-kadence-advancedheading.kt-adv-heading65610_0a5832-bc[data-kb-block=\"kb-adv-heading65610_0a5832-bc\"]{text-align:center;font-size:48px;line-height:54px;font-weight:400;font-style:normal;font-family:Inter;text-transform:none;}.wp-block-kadence-advancedheading.kt-adv-heading65610_0a5832-bc mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_0a5832-bc[data-kb-block=\"kb-adv-heading65610_0a5832-bc\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_0a5832-bc img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_0a5832-bc[data-kb-block=\"kb-adv-heading65610_0a5832-bc\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading65610_0a5832-bc, .wp-block-kadence-advancedheading.kt-adv-heading65610_0a5832-bc[data-kb-block=\"kb-adv-heading65610_0a5832-bc\"]{font-size:36px;}}<\/style>\n<h2 class=\"kt-adv-heading65610_0a5832-bc wp-block-kadence-advancedheading has-theme-palette-9-color has-text-color\" data-kb-block=\"kb-adv-heading65610_0a5832-bc\">Start Saving <br>Time Today<\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading65610_817ed5-90, .wp-block-kadence-advancedheading.kt-adv-heading65610_817ed5-90[data-kb-block=\"kb-adv-heading65610_817ed5-90\"]{text-align:center;font-size:20px;font-weight:400;font-style:normal;font-family:'Open Sans';color:#dee2e6;}.wp-block-kadence-advancedheading.kt-adv-heading65610_817ed5-90 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading65610_817ed5-90[data-kb-block=\"kb-adv-heading65610_817ed5-90\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading65610_817ed5-90 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading65610_817ed5-90[data-kb-block=\"kb-adv-heading65610_817ed5-90\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading65610_817ed5-90, .wp-block-kadence-advancedheading.kt-adv-heading65610_817ed5-90[data-kb-block=\"kb-adv-heading65610_817ed5-90\"]{font-size:16px;}}<\/style>\n<p class=\"kt-adv-heading65610_817ed5-90 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading65610_817ed5-90\">Develop PFAS Methods in Minutes with our Pro&nbsp;<em>EZ<\/em>LC Chromatogram Modeler<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns65610_85e58a-0d{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns65610_85e58a-0d .kt-button{font-weight:normal;font-style:normal;}.kt-btns65610_85e58a-0d .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns65610_85e58a-0d .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns65610_85e58a-0d .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_85e58a-0d .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns65610_85e58a-0d .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns65610_85e58a-0d .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns65610_85e58a-0d .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns65610_85e58a-0d\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn65610_4bc65d-2b.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn65610_4bc65d-2b.kb-button{color:#0c115b;background:var(--global-palette9, #ffffff);font-size:16px;line-height:20px;font-family:'Open Sans';font-weight:600;border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-right-radius:8px;border-bottom-left-radius:8px;border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);padding-top:12px;padding-right:16px;padding-bottom:12px;padding-left:16px;}.kb-btn65610_4bc65d-2b.kb-button .kb-svg-icon-wrap{color:#133758;font-size:16px;--kb-button-icon-size:16px;}.kb-btn65610_4bc65d-2b.kb-button:hover .kb-svg-icon-wrap, .kb-btn65610_4bc65d-2b.kb-button:focus .kb-svg-icon-wrap{color:var(--global-palette9, #ffffff);}.wp-block-kadence-advancedbtn .kb-btn65610_4bc65d-2b.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_4bc65d-2b.kb-button:focus{color:var(--global-palette9, #ffffff);background:#133758;border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_4bc65d-2b.kb-button{border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn65610_4bc65d-2b.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_4bc65d-2b.kb-button:focus{border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn65610_4bc65d-2b.kb-button{border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}.wp-block-kadence-advancedbtn .kb-btn65610_4bc65d-2b.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn65610_4bc65d-2b.kb-button:focus{border-top:2px solid var(--global-palette9, #ffffff);border-right:2px solid var(--global-palette9, #ffffff);border-bottom:2px solid var(--global-palette9, #ffffff);border-left:2px solid var(--global-palette9, #ffffff);}}<\/style><a class=\"kb-button kt-button button kb-btn65610_4bc65d-2b kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/ez.restek.com\/proezlc\" target=\"_blank\" rel=\"noopener\"><span class=\"kt-btn-inner-text\"><strong>restek.com\/ezlc<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n<style>.kadence-column65610_c34928-46 > .kt-inside-inner-col{display:flex;}.kadence-column65610_c34928-46 > .kt-inside-inner-col{padding-top:20px;padding-right:20px;padding-bottom:20px;padding-left:20px;}.kadence-column65610_c34928-46 > .kt-inside-inner-col,.kadence-column65610_c34928-46 > 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target=\"_blank\" rel=\"noopener\"><span class=\"kt-btn-inner-text\"><strong>restek.com\/ezlc<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Every PFAS workflow comes with unique challenges\u2014from complex samples to demanding methods and the need for accurate results. That\u2019s where the right partner makes the difference. Restek combines proven products&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"hide","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"unboxed","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"class_list":["post-65610","page","type-page","status-publish","hentry"],"acf":[],"taxonomy_info":[],"featured_image_src_large":false,"author_info":{"display_name":"Patrick Gallagher","author_link":"https:\/\/discover.restek.com\/es\/author\/patrick-gallagherrestek-com\/"},"comment_info":0,"_links":{"self":[{"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/pages\/65610","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/comments?post=65610"}],"version-history":[{"count":240,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/pages\/65610\/revisions"}],"predecessor-version":[{"id":100211,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/pages\/65610\/revisions\/100211"}],"wp:attachment":[{"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/media?parent=65610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}