{"id":105142,"date":"2026-10-07T08:20:00","date_gmt":"2026-10-07T08:20:00","guid":{"rendered":"https:\/\/discover.restek.com\/?p=105142"},"modified":"2026-10-14T10:03:57","modified_gmt":"2026-10-14T10:03:57","slug":"rafa","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/fr\/articles\/gnot5841\/rafa","title":{"rendered":"RAFA, Prague, Czechia, November 3-6"},"content":{"rendered":"<style>.kb-image105142_af3a58-1f .kb-image-has-overlay:after{opacity:0.3;}.kb-image105142_af3a58-1f img.kb-img, .kb-image105142_af3a58-1f .kb-img img{object-position:52% 61%;}<\/style>\n<figure class=\"wp-block-kadence-image kb-image105142_af3a58-1f alignfull\"><img loading=\"lazy\" decoding=\"async\" width=\"1358\" height=\"351\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/Landing_RAFA.png\" alt=\"\" class=\"kb-img wp-image-105143\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/Landing_RAFA.png 1358w, https:\/\/discover.restek.com\/wp-content\/uploads\/Landing_RAFA-300x78.png 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/Landing_RAFA-1024x265.png 1024w, https:\/\/discover.restek.com\/wp-content\/uploads\/Landing_RAFA-768x199.png 768w\" sizes=\"auto, (max-width: 1358px) 100vw, 1358px\" \/><\/figure>\n\n\n\n<div style=\"height:13px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:13px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Come and meet us at the Clarion Congress Hotel Prague at booth 7&nbsp;!<\/strong><\/h2>\n\n\n\n<div style=\"height:13px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Join our Restek team in Prague for the 12<sup>th<\/sup> international symposium on recent advances in food analysis. Meet us at booth 7 for all this and much more!&nbsp;&nbsp;<\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:2.3\">Discover the possibilities of our new <a href=\"https:\/\/discover.restek.com\/rmx\/\" target=\"_blank\" data-type=\"page\" data-id=\"80063\" rel=\"noreferrer noopener\">RMX column<\/a> \u2013 learn why it\u2019s the future for analysing challenging semivolatiles.<\/li>\n\n\n\n<li style=\"line-height:1.5\">Every <a href=\"https:\/\/discover.restek.com\/pfas-analysis\/\" target=\"_blank\" rel=\"noreferrer noopener\">PFAS workflow<\/a> comes with unique and complex challenges \u2013 that&#8217;s why Restek are the right PFAS partner for you. Our team is ready to help you navigate complex issues with confidence.<\/li>\n\n\n\n<li style=\"line-height:2.3\">Play our &#8220;Guess the Length of the GC Column&#8221; game for a chance to win a great Restek prize !<\/li>\n\n\n\n<li style=\"margin-bottom:0px;padding-bottom:0px;line-height:2.3\">Experience a demo to learn&nbsp;how:\n<ul class=\"wp-block-list\">\n<li style=\"line-height:1.5\">Our&nbsp;<a href=\"https:\/\/ez.restek.com\/\" data-type=\"link\" data-id=\"https:\/\/ez.restek.com\/\" target=\"_blank\" rel=\"noopener\"><em>EZ<\/em>&nbsp;software&nbsp;suite<\/a>&nbsp;could allow you to perform method development in minutes.<\/li>\n\n\n\n<li style=\"margin-bottom:0px;padding-bottom:0px;line-height:1.5\">Our\u00a0new\u00a0<a href=\"https:\/\/tools.restek.com\/refstandards_search\" target=\"_blank\" rel=\"noopener\">Reference Standards Finder\u00a0tool<\/a> simplifies\u00a0searching for the standards you need.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li style=\"line-height:2.3\">Bring us your questions! Our knowledgeable team are ready to help you optimize your analyis with our flagship <a href=\"#ProductsSolutions\" data-type=\"internal\" data-id=\"#ProductsSolutions\">products and analytical solutions<\/a>.<br><\/li>\n<\/ul>\n\n\n\n<div style=\"height:49px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.kadence-column105142_2e3f85-9a > .kt-inside-inner-col,.kadence-column105142_2e3f85-9a > .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-column105142_2e3f85-9a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column105142_2e3f85-9a > .kt-inside-inner-col{flex-direction:column;}.kadence-column105142_2e3f85-9a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column105142_2e3f85-9a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column105142_2e3f85-9a{position:relative;}@media all and (max-width: 1024px){.kadence-column105142_2e3f85-9a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column105142_2e3f85-9a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column105142_2e3f85-9a\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedbtn.kb-btns105142_d9ee7b-f4{gap:var(--global-kb-gap-sm, 1rem);justify-content:center;align-items:center;}.kt-btns105142_d9ee7b-f4 .kt-button{font-weight:normal;font-style:normal;}.kt-btns105142_d9ee7b-f4 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns105142_d9ee7b-f4 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns105142_d9ee7b-f4 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_d9ee7b-f4 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns105142_d9ee7b-f4 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns105142_d9ee7b-f4 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_d9ee7b-f4 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns105142_d9ee7b-f4\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_9c7fc9-73.kb-button{width:initial;}<\/style><a class=\"kb-button kt-button button kb-btn105142_9c7fc9-73 kt-btn-size-large kt-btn-width-type-full kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\" href=\"#presentations\"><span class=\"kt-btn-inner-text\"><strong>Technical Presentation<\/strong>s<\/span><\/a>\n\n<style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_bd8a28-10.kb-button{width:initial;}<\/style><a class=\"kb-button kt-button button kb-btn105142_bd8a28-10 kt-btn-size-large kt-btn-width-type-full kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\" href=\"#ProductsSolutions\"><span class=\"kt-btn-inner-text\"><strong><strong>Featured Products &amp; Analytical Solutions<\/strong><\/strong><\/span><\/a>\n\n<style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_f54156-e8.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn105142_f54156-e8.kb-button{background:var(--global-palette1, #3182CE);border-top-left-radius:3px;border-top-right-radius:3px;border-bottom-right-radius:3px;border-bottom-left-radius:3px;}<\/style><a class=\"kb-button kt-button button kb-btn105142_f54156-e8 kt-btn-size-large kt-btn-width-type-full kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\" href=\"https:\/\/www.rafa2026.eu\/\" target=\"_blank\" rel=\"noopener\"><span class=\"kt-btn-inner-text\"><strong>Learn More about RAFA 2026<\/strong><\/span><\/a><\/div>\n\n\n\n<div style=\"height:80px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-theme-palette-1-color has-text-color has-link-color has-large-font-size wp-elements-ee0d7b9b031e4e74b95888f1e6759a17\" id=\"presentations\"><strong>Technical Presentation<\/strong>s<\/h2>\n\n\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.kb-block-show-more-container105142_fe007d-ca > .kb-show-more-sr-excerpt{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;}.kb-block-show-more-container105142_fe007d-ca > .wp-block-kadence-advancedbtn{margin-top:1em;}.kb-block-show-more-container105142_fe007d-ca > .wp-block-kadence-advancedbtn .kt-btn-wrap:nth-child(2), .kb-block-show-more-container105142_fe007d-ca > .wp-block-kadence-advancedbtn .wp-block-kadence-singlebtn:nth-of-type(2){display:none;}.kb-block-show-more-container105142_fe007d-ca > .wp-block-kadence-column{max-height:145px;overflow-y:hidden;}.kb-block-show-more-container105142_fe007d-ca.kb-smc-open > .wp-block-kadence-column{max-height:none;-webkit-mask-image:none;mask-image:none;overflow-y:unset;}.kb-block-show-more-container105142_fe007d-ca.kb-smc-open > .wp-block-kadence-advancedbtn .kt-btn-wrap:nth-child(1), .kb-block-show-more-container105142_fe007d-ca.kb-smc-open > .wp-block-kadence-advancedbtn .wp-block-kadence-singlebtn:nth-of-type(1){display:none;}.kb-block-show-more-container105142_fe007d-ca.kb-smc-open > .wp-block-kadence-advancedbtn .kt-btn-wrap:nth-child(2), .kb-block-show-more-container105142_fe007d-ca.kb-smc-open > .wp-block-kadence-advancedbtn .wp-block-kadence-singlebtn:nth-of-type(2){display:inline-flex;}.kb-block-show-more-container105142_fe007d-ca.kb-smc-open > .wp-block-kadence-advancedbtn.kt-force-btn-fullwidth .kt-btn-wrap:nth-child(2){display:block;}<\/style>\n<div class=\"wp-block-kadence-show-more kb-block-show-more-container kb-block-show-more-container105142_fe007d-ca\"><div class=\"kb-show-more-sr-excerpt\" aria-live=\"polite\" aria-atomic=\"true\"><\/div><style>.kadence-column105142_c2a886-05 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column105142_c2a886-05 > .kt-inside-inner-col{flex-direction:column;}.kadence-column105142_c2a886-05 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column105142_c2a886-05 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column105142_c2a886-05{position:relative;}@media all and (max-width: 1024px){.kadence-column105142_c2a886-05 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column105142_c2a886-05 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column105142_c2a886-05 kb-show-more-content\"><div class=\"kt-inside-inner-col\">\n<h4 class=\"wp-block-heading has-medium-font-size\"><strong><strong><strong>Seminar<\/strong>: <\/strong><\/strong>Exploring Evolution in Gas Chromatography to Address Regulatory Needs<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Presentation<\/strong>: Wednesday, November 4, 1:30 p.m.-2:15 p.m., Leo Hall<br><strong>Presenters:<\/strong>\u00a0<strong>Javier Arrebola<sup>1<\/sup>, Jason Herrington<sup>2<\/sup><\/strong>, Ramkumar Dhandapani<sup>2<\/sup>, Chris English<sup>2<\/sup> and Jaap de Zeeuw<sup>3<\/sup>\u00a0<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>University of Almeria&nbsp;<\/li>\n\n\n\n<li>Restek Corporation<\/li>\n\n\n\n<li>Creavisions&nbsp;<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Gas chromatography remains a proven technique for pesticide analysis, yet recent regulatory changes including method consolidation, lower detection, matrix interference \u2014 have raised the bar for detection performance. This work evaluates a novel GC\u2013MS column technology and format with uncoated interface minimizing stationary phase degradation and thermal stress at elevated transfer line temperatures. Across a diverse panel of pesticide analytes, it delivered faster baseline stabilization, lower background noise, and improved signal-to-noise ratios in full-scan and SIM modes, with clear benefits for high-boiling-point and late-eluting compounds. By reducing analyte loss and column bleed, the technology enables reliable detection of thermally labile substances at lower detection limits-ready GC-MS &amp; MS\/MS workflow.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Learning Objectives<\/strong>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Understand how recent regulatory changes\u2014chlorinated solvent ban and method consolidation\u2014are reshaping detection requirements for pesticide analysis.&nbsp;<\/li>\n\n\n\n<li>Evaluate how a novel GC\u2013MS column with an uncoated interface improves baseline stability, sensitivity, and signal-to-noise ratio across full-scan and SIM modes.&nbsp;<\/li>\n\n\n\n<li>Apply these advances to build GC workflow that lowers detection limits and improves sensitivity for thermally labile, high-boiling-point compounds.&nbsp;<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns105142_a45fc9-96{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:flex-start;align-items:center;}.kt-btns105142_a45fc9-96 .kt-button{font-weight:normal;font-style:normal;}.kt-btns105142_a45fc9-96 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns105142_a45fc9-96 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns105142_a45fc9-96 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_a45fc9-96 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns105142_a45fc9-96 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns105142_a45fc9-96 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_a45fc9-96 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns105142_a45fc9-96 kb-show-more-buttons\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_6656ab-9b.kb-button{width:initial;}<\/style><button class=\"kb-button kt-button button kb-btn105142_6656ab-9b kt-btn-size-small kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\"><span class=\"kt-btn-inner-text\">Show More<\/span><\/button>\n\n<style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_7e4425-f2.kb-button{width:initial;}<\/style><button class=\"kb-button kt-button button kb-btn105142_7e4425-f2 kt-btn-size-small kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\"><span class=\"kt-btn-inner-text\">Show Less<\/span><\/button><\/div>\n<\/div>\n\n\n\n<div style=\"height:64px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.kb-block-show-more-container105142_4b3ede-40 > .kb-show-more-sr-excerpt{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;}.kb-block-show-more-container105142_4b3ede-40 > .wp-block-kadence-advancedbtn{margin-top:1em;}.kb-block-show-more-container105142_4b3ede-40 > .wp-block-kadence-advancedbtn .kt-btn-wrap:nth-child(2), .kb-block-show-more-container105142_4b3ede-40 > .wp-block-kadence-advancedbtn .wp-block-kadence-singlebtn:nth-of-type(2){display:none;}.kb-block-show-more-container105142_4b3ede-40 > .wp-block-kadence-column{max-height:145px;overflow-y:hidden;}.kb-block-show-more-container105142_4b3ede-40.kb-smc-open > .wp-block-kadence-column{max-height:none;-webkit-mask-image:none;mask-image:none;overflow-y:unset;}.kb-block-show-more-container105142_4b3ede-40.kb-smc-open > .wp-block-kadence-advancedbtn .kt-btn-wrap:nth-child(1), .kb-block-show-more-container105142_4b3ede-40.kb-smc-open > .wp-block-kadence-advancedbtn .wp-block-kadence-singlebtn:nth-of-type(1){display:none;}.kb-block-show-more-container105142_4b3ede-40.kb-smc-open > .wp-block-kadence-advancedbtn .kt-btn-wrap:nth-child(2), .kb-block-show-more-container105142_4b3ede-40.kb-smc-open > .wp-block-kadence-advancedbtn .wp-block-kadence-singlebtn:nth-of-type(2){display:inline-flex;}.kb-block-show-more-container105142_4b3ede-40.kb-smc-open > .wp-block-kadence-advancedbtn.kt-force-btn-fullwidth .kt-btn-wrap:nth-child(2){display:block;}<\/style>\n<div class=\"wp-block-kadence-show-more kb-block-show-more-container kb-block-show-more-container105142_4b3ede-40\"><div class=\"kb-show-more-sr-excerpt\" aria-live=\"polite\" aria-atomic=\"true\"><\/div><style>.kadence-column105142_2754ad-31 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column105142_2754ad-31 > .kt-inside-inner-col{flex-direction:column;}.kadence-column105142_2754ad-31 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column105142_2754ad-31 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column105142_2754ad-31{position:relative;}@media all and (max-width: 1024px){.kadence-column105142_2754ad-31 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column105142_2754ad-31 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column105142_2754ad-31 kb-show-more-content\"><div class=\"kt-inside-inner-col\">\n<h4 class=\"wp-block-heading has-medium-font-size\"><strong><strong><strong>Poster<\/strong>: <\/strong><\/strong>PFAS Reference Standards storage and handling<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><br><strong>Authors:<\/strong>\u00a0Grayson Ritch, Anyssa Coverston, Kendra Jozefick, Doerte Lohrberg, and Jason Herrington<br>Restek Corporation<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br>The testing of PFAS in environmental and commercial products has become an increasingly more ubiquitous globally. The high fluorophilicity of many commonly tested PFAS in conjunction with their ionic nature can result in prominent adsorption onto un-deactivated surfaces and micelle formation in solution. If unaccounted for, these effects can lead to erroneous results and shorten shelf-life of standards. This poster will discuss how specific characteristics of PFAS compounds can lead to complications in the storage and handling of certified reference material and provides recommendations to mitigate these difficulties.\u00a0<\/p>\n\n\n<\/div><\/div>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns105142_7d9574-5c{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:flex-start;align-items:center;}.kt-btns105142_7d9574-5c .kt-button{font-weight:normal;font-style:normal;}.kt-btns105142_7d9574-5c .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns105142_7d9574-5c .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns105142_7d9574-5c .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_7d9574-5c .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns105142_7d9574-5c .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns105142_7d9574-5c .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_7d9574-5c .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns105142_7d9574-5c kb-show-more-buttons\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_6c9a4c-78.kb-button{width:initial;}<\/style><button class=\"kb-button kt-button button kb-btn105142_6c9a4c-78 kt-btn-size-small kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\"><span class=\"kt-btn-inner-text\">Show More<\/span><\/button>\n\n<style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_e62b0c-ac.kb-button{width:initial;}<\/style><button class=\"kb-button kt-button button kb-btn105142_e62b0c-ac kt-btn-size-small kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\"><span class=\"kt-btn-inner-text\">Show Less<\/span><\/button><\/div>\n<\/div>\n\n\n\n<div style=\"height:64px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.kb-block-show-more-container105142_18a768-a1 > .kb-show-more-sr-excerpt{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;}.kb-block-show-more-container105142_18a768-a1 > .wp-block-kadence-advancedbtn{margin-top:1em;}.kb-block-show-more-container105142_18a768-a1 > .wp-block-kadence-advancedbtn .kt-btn-wrap:nth-child(2), .kb-block-show-more-container105142_18a768-a1 > .wp-block-kadence-advancedbtn .wp-block-kadence-singlebtn:nth-of-type(2){display:none;}.kb-block-show-more-container105142_18a768-a1 > .wp-block-kadence-column{max-height:145px;overflow-y:hidden;}.kb-block-show-more-container105142_18a768-a1.kb-smc-open > .wp-block-kadence-column{max-height:none;-webkit-mask-image:none;mask-image:none;overflow-y:unset;}.kb-block-show-more-container105142_18a768-a1.kb-smc-open > .wp-block-kadence-advancedbtn .kt-btn-wrap:nth-child(1), .kb-block-show-more-container105142_18a768-a1.kb-smc-open > .wp-block-kadence-advancedbtn .wp-block-kadence-singlebtn:nth-of-type(1){display:none;}.kb-block-show-more-container105142_18a768-a1.kb-smc-open > .wp-block-kadence-advancedbtn .kt-btn-wrap:nth-child(2), .kb-block-show-more-container105142_18a768-a1.kb-smc-open > .wp-block-kadence-advancedbtn .wp-block-kadence-singlebtn:nth-of-type(2){display:inline-flex;}.kb-block-show-more-container105142_18a768-a1.kb-smc-open > .wp-block-kadence-advancedbtn.kt-force-btn-fullwidth .kt-btn-wrap:nth-child(2){display:block;}<\/style>\n<div class=\"wp-block-kadence-show-more kb-block-show-more-container kb-block-show-more-container105142_18a768-a1\"><div class=\"kb-show-more-sr-excerpt\" aria-live=\"polite\" aria-atomic=\"true\"><\/div><style>.kadence-column105142_689176-33 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column105142_689176-33 > .kt-inside-inner-col{flex-direction:column;}.kadence-column105142_689176-33 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column105142_689176-33 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column105142_689176-33{position:relative;}@media all and (max-width: 1024px){.kadence-column105142_689176-33 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column105142_689176-33 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column105142_689176-33 kb-show-more-content\"><div class=\"kt-inside-inner-col\">\n<h4 class=\"wp-block-heading has-medium-font-size\"><strong><strong><strong>Poster<\/strong>: <\/strong><\/strong>Simplifying PFAS analyses in fish tissue with an improved dual bed solid-phase extraction workflow<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><br><strong>Authors:<\/strong>\u00a0Alexis Shelow, Jason Hoisington, Diego A. Lopez, Elena Gairloch, and Ramkumar Dhandapani<br>Restek Corporation<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quantifying PFAS in complex food matrices presents a significant analytical challenge due to matrix interferences and the need for highly sensitive detection limits, necessitating robust sample preparation to ensure accurate and reliable results. Despite its efficacy, solid-phase extraction (SPE) faces challenges in numerous matrices where traditional ion-exchange sorbents fail to remove certain interferences, often requiring the additional implementation of dispersive carbon cleanup steps. Furthermore, particulates remaining from previous homogenization steps can obstruct SPE cartridges, extending loading times or necessitating the use of multiple cartridges to complete an analysis.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this work, a tissue homogenizer was implemented and compared to a variable-speed mixing table for the extraction step in accordance with EPA Method 1633. Graphitized carbon black (GCB) and weak anion exchange (WAX) dual-bed SPE cartridges incorporating a novel filter aid were evaluated as a single step extraction and cleanup format. Recoveries for all 25 PFAS analytes in fortified samples ranged from 70% to 160%, except for ADONA and PFNA, and the relative standard deviation was less than 20% for most analytes.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The tissue homogenizer minimized contamination risk by maintaining all steps within a single extraction tube and reduced the 16-hour shakeout to 4 minutes. The single SPE extraction and cleanup format provided a simplified and consistent approach for fish tissue while meeting accuracy and precision requirements for most analytes. Details of the LC\u2013MS parameters employed will also be discussed.&nbsp;<\/p>\n\n\n<\/div><\/div>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns105142_546e68-91{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:flex-start;align-items:center;}.kt-btns105142_546e68-91 .kt-button{font-weight:normal;font-style:normal;}.kt-btns105142_546e68-91 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns105142_546e68-91 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns105142_546e68-91 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_546e68-91 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns105142_546e68-91 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns105142_546e68-91 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_546e68-91 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns105142_546e68-91 kb-show-more-buttons\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_bcadb3-4f.kb-button{width:initial;}<\/style><button class=\"kb-button kt-button button kb-btn105142_bcadb3-4f kt-btn-size-small kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\"><span class=\"kt-btn-inner-text\">Show More<\/span><\/button>\n\n<style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_2e2765-36.kb-button{width:initial;}<\/style><button class=\"kb-button kt-button button kb-btn105142_2e2765-36 kt-btn-size-small kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\"><span class=\"kt-btn-inner-text\">Show Less<\/span><\/button><\/div>\n<\/div>\n\n\n\n<div style=\"height:64px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div style=\"height:64px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-theme-palette-1-color has-text-color has-link-color has-large-font-size wp-elements-39adefa8a65cf1ca419d46cc9abd0952\" id=\"ProductsSolutions\"><strong>Featured Products &amp; Analytical Solutions<br><\/strong><\/h2>\n\n\n<style>.kb-row-layout-id105142_0f79f0-c3 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id105142_0f79f0-c3 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id105142_0f79f0-c3 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-sm, 1rem);row-gap:var(--global-kb-gap-sm, 1rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);}.kb-row-layout-id105142_0f79f0-c3 > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}.kb-row-layout-id105142_0f79f0-c3 > 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class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/fr.restek.com\/ccstore\/v1\/images\/?source=\/file\/v694075117029651123\/products\/rmx_column_with_box.jpg&amp;height=475&amp;width=475&amp;quality=0.8&amp;outputFormat=JPEG\" alt=\"\" style=\"width:200px\" title=\"-\"><\/figure>\n<\/div>\n\n<style>.wp-block-kadence-advancedbtn.kb-btns105142_b1d9f5-0f{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns105142_b1d9f5-0f .kt-button{font-weight:normal;font-style:normal;}.kt-btns105142_b1d9f5-0f .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns105142_b1d9f5-0f .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns105142_b1d9f5-0f .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_b1d9f5-0f .kt-btn-wrap-0 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Columns<\/strong><\/span><\/a><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column105142_94e5f4-3f > .kt-inside-inner-col,.kadence-column105142_94e5f4-3f > .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-column105142_94e5f4-3f > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column105142_94e5f4-3f > .kt-inside-inner-col{flex-direction:column;}.kadence-column105142_94e5f4-3f > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column105142_94e5f4-3f > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column105142_94e5f4-3f{position:relative;}@media all and (max-width: 1024px){.kadence-column105142_94e5f4-3f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column105142_94e5f4-3f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div 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href=\"https:\/\/discover.restek.com\/articles\/gnot3445\/ezgc-online-tools\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong><em>EZ<\/em>GC Online Suite<\/strong><\/span><\/a><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column105142_c67981-ca > .kt-inside-inner-col,.kadence-column105142_c67981-ca > .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-column105142_c67981-ca > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column105142_c67981-ca > .kt-inside-inner-col{flex-direction:column;}.kadence-column105142_c67981-ca > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column105142_c67981-ca > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column105142_c67981-ca{position:relative;}@media all and (max-width: 1024px){.kadence-column105142_c67981-ca > 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.kt-button{font-weight:normal;font-style:normal;}.kt-btns105142_c015ce-f5 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns105142_c015ce-f5 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns105142_c015ce-f5 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_c015ce-f5 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns105142_c015ce-f5 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns105142_c015ce-f5 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_c015ce-f5 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns105142_c015ce-f5\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_9552a7-f7.kb-button{width:initial;}<\/style><a class=\"kb-button kt-button button kb-btn105142_9552a7-f7 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\" href=\"https:\/\/discover.restek.com\/articles-zh\/gnot3446\/pro-ezlc-online-tools\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong><em>EZ<\/em>LC Online Suite<\/strong><\/span><\/a><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id105142_ba3500-24 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id105142_ba3500-24 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id105142_ba3500-24 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-sm, 1rem);row-gap:var(--global-kb-gap-sm, 1rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);}.kb-row-layout-id105142_ba3500-24 > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}.kb-row-layout-id105142_ba3500-24 > .kt-row-column-wrap{grid-template-columns:repeat(3, minmax(0, 1fr));}.kb-row-layout-id105142_ba3500-24 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id105142_ba3500-24 > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}}@media all and (max-width: 1024px){.kb-row-layout-id105142_ba3500-24 > .kt-row-column-wrap{grid-template-columns:repeat(3, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id105142_ba3500-24 > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}.kb-row-layout-id105142_ba3500-24 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id105142_ba3500-24 alignnone 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\">\n<style>.kadence-column105142_728821-f8 > .kt-inside-inner-col,.kadence-column105142_728821-f8 > .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-column105142_728821-f8 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column105142_728821-f8 > .kt-inside-inner-col{flex-direction:column;}.kadence-column105142_728821-f8 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column105142_728821-f8 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column105142_728821-f8{position:relative;}@media all and (max-width: 1024px){.kadence-column105142_728821-f8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column105142_728821-f8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column105142_728821-f8\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"600\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/PFAS.jpg\" alt=\"\" class=\"wp-image-98956\" style=\"aspect-ratio:1.101178697410307;object-fit:contain;width:200px\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/PFAS.jpg 750w, https:\/\/discover.restek.com\/wp-content\/uploads\/PFAS-300x240.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div>\n\n<style>.wp-block-kadence-advancedbtn.kb-btns105142_362424-e7{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns105142_362424-e7 .kt-button{font-weight:normal;font-style:normal;}.kt-btns105142_362424-e7 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns105142_362424-e7 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns105142_362424-e7 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_362424-e7 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns105142_362424-e7 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns105142_362424-e7 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_362424-e7 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns105142_362424-e7\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_1a9b8f-92.kb-button{width:initial;}<\/style><a class=\"kb-button kt-button button kb-btn105142_1a9b8f-92 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\" href=\"https:\/\/uk.restek.com\/search?Ntt=ultra+ibd&#038;Ns=bestMatch\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong>Ultra IBD Columns for PFAS<\/strong><\/span><\/a><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column105142_b613fc-95 > .kt-inside-inner-col,.kadence-column105142_b613fc-95 > .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-column105142_b613fc-95 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column105142_b613fc-95 > .kt-inside-inner-col{flex-direction:column;}.kadence-column105142_b613fc-95 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column105142_b613fc-95 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column105142_b613fc-95{position:relative;}@media all and (max-width: 1024px){.kadence-column105142_b613fc-95 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column105142_b613fc-95 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column105142_b613fc-95\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"234\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/PFAS-standards.png\" alt=\"\" class=\"wp-image-88852\" style=\"width:200px\" title=\"-\"><\/figure>\n<\/div>\n\n\n<div style=\"height:29px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns105142_f035d7-da{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns105142_f035d7-da .kt-button{font-weight:normal;font-style:normal;}.kt-btns105142_f035d7-da .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns105142_f035d7-da .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns105142_f035d7-da .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_f035d7-da .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns105142_f035d7-da .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns105142_f035d7-da .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_f035d7-da .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns105142_f035d7-da\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_8b7a49-69.kb-button{width:initial;}<\/style><a class=\"kb-button kt-button button kb-btn105142_8b7a49-69 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\" href=\"https:\/\/www.restek.com\/c\/1651?Ns=bestMatch&#038;NttWithIn=pfas\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong>PFAS Reference Standards<\/strong><\/span><\/a><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column105142_a02140-f9 > .kt-inside-inner-col,.kadence-column105142_a02140-f9 > .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-column105142_a02140-f9 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column105142_a02140-f9 > .kt-inside-inner-col{flex-direction:column;}.kadence-column105142_a02140-f9 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column105142_a02140-f9 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column105142_a02140-f9{position:relative;}@media all and (max-width: 1024px){.kadence-column105142_a02140-f9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column105142_a02140-f9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column105142_a02140-f9\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"234\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/PFAS_analytica.png\" alt=\"\" class=\"wp-image-88556\" style=\"width:200px\" title=\"-\"><\/figure>\n<\/div>\n\n\n<div style=\"height:27px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns105142_811892-76{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns105142_811892-76 .kt-button{font-weight:normal;font-style:normal;}.kt-btns105142_811892-76 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns105142_811892-76 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns105142_811892-76 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_811892-76 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns105142_811892-76 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns105142_811892-76 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_811892-76 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns105142_811892-76\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_05023f-9e.kb-button{width:initial;}<\/style><a class=\"kb-button kt-button button kb-btn105142_05023f-9e kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\" href=\"https:\/\/www.restek.com\/search?Ntt=PFAS+SPE&#038;Ns=bestMatch\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong>Resprep Dual-Bed PFAS Cartridges<\/strong><\/span><\/a><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id105142_365fdc-2a > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id105142_365fdc-2a > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id105142_365fdc-2a > .kt-row-column-wrap{column-gap:var(--global-kb-gap-sm, 1rem);row-gap:var(--global-kb-gap-sm, 1rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);}.kb-row-layout-id105142_365fdc-2a > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}.kb-row-layout-id105142_365fdc-2a > .kt-row-column-wrap{grid-template-columns:repeat(3, minmax(0, 1fr));}.kb-row-layout-id105142_365fdc-2a > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id105142_365fdc-2a > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}}@media all and (max-width: 1024px){.kb-row-layout-id105142_365fdc-2a > .kt-row-column-wrap{grid-template-columns:repeat(3, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id105142_365fdc-2a > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}.kb-row-layout-id105142_365fdc-2a > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id105142_365fdc-2a alignnone 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\">\n<style>.kadence-column105142_d2d219-c9 > .kt-inside-inner-col,.kadence-column105142_d2d219-c9 > .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-column105142_d2d219-c9 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column105142_d2d219-c9 > .kt-inside-inner-col{flex-direction:column;}.kadence-column105142_d2d219-c9 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column105142_d2d219-c9 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column105142_d2d219-c9{position:relative;}@media all and (max-width: 1024px){.kadence-column105142_d2d219-c9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column105142_d2d219-c9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column105142_d2d219-c9\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"600\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/RS-Finder-1-1.png\" alt=\"\" class=\"wp-image-98955\" style=\"aspect-ratio:1.101178697410307;object-fit:contain;width:200px\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/RS-Finder-1-1.png 750w, https:\/\/discover.restek.com\/wp-content\/uploads\/RS-Finder-1-1-300x240.png 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div>\n\n<style>.wp-block-kadence-advancedbtn.kb-btns105142_38f170-9c{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns105142_38f170-9c .kt-button{font-weight:normal;font-style:normal;}.kt-btns105142_38f170-9c .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns105142_38f170-9c .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns105142_38f170-9c .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_38f170-9c .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns105142_38f170-9c .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns105142_38f170-9c .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_38f170-9c .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns105142_38f170-9c\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_6fe252-5c.kb-button{width:initial;}<\/style><a class=\"kb-button kt-button button kb-btn105142_6fe252-5c kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\" href=\"https:\/\/tools.restek.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong><strong>Reference Standards Finder<\/strong><\/strong><\/span><\/a><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column105142_12aa1c-40 > .kt-inside-inner-col,.kadence-column105142_12aa1c-40 > .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-column105142_12aa1c-40 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column105142_12aa1c-40 > .kt-inside-inner-col{flex-direction:column;}.kadence-column105142_12aa1c-40 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column105142_12aa1c-40 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column105142_12aa1c-40{position:relative;}@media all and (max-width: 1024px){.kadence-column105142_12aa1c-40 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column105142_12aa1c-40 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column105142_12aa1c-40\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"234\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/Reference-Standards_analytica-2.png\" alt=\"\" class=\"wp-image-98957\" style=\"width:200px\" title=\"-\"><\/figure>\n<\/div>\n\n\n<div style=\"height:29px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns105142_05871a-a0{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns105142_05871a-a0 .kt-button{font-weight:normal;font-style:normal;}.kt-btns105142_05871a-a0 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns105142_05871a-a0 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns105142_05871a-a0 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_05871a-a0 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns105142_05871a-a0 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns105142_05871a-a0 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns105142_05871a-a0 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns105142_05871a-a0\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn105142_8972f2-8a.kb-button{width:initial;}<\/style><a class=\"kb-button kt-button button kb-btn105142_8972f2-8a kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-fill kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\" href=\"https:\/\/www.restek.com\/global\/en\/search?Ntt=furan&#038;Ns=bestMatch\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong>Furan\/Alkylfuran Standards<\/strong><\/span><\/a><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column105142_0358a9-48 > .kt-inside-inner-col,.kadence-column105142_0358a9-48 > .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-column105142_0358a9-48 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column105142_0358a9-48 > .kt-inside-inner-col{flex-direction:column;}.kadence-column105142_0358a9-48 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column105142_0358a9-48 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column105142_0358a9-48{position:relative;}@media all and (max-width: 1024px){.kadence-column105142_0358a9-48 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column105142_0358a9-48 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column105142_0358a9-48\"><div class=\"kt-inside-inner-col\"><\/div><\/div>\n\n<\/div><\/div>\n\n\n<div style=\"height:41px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\"><strong><a href=\"https:\/\/discover.restek.com\/rmx\/\"><strong>Unleash your performance with RMX GC Columns<\/strong>\u2192<\/a><\/strong><br>By maximizing data quality, RMX GC columns generate more compliant results\u2014even for the most challenging\u202fsemivolatiles\u2014so\u202faccurate\u202fresults are reported, and samples keep moving through the lab. Ask us about the future of GC!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\"><strong><a href=\"https:\/\/ez.restek.com\/\" target=\"_blank\" rel=\"noopener\"><strong><em>EZ<\/em> \u202fsuite: refine methods online for free in real time.<\/strong>\u2192<\/a><\/strong><br>Optimize\u202for amend your GC and LC methods in minutes from your desk. Our online software and calculators are reliable, easy to\u202fuse\u202fand\u202fallow you\u202fto perform method development without guesswork. Stop by for a demo!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\"><a href=\"https:\/\/discover.restek.com\/pfas-analysis\/\"><strong>PFAS Problems?&nbsp;We\u2019re&nbsp;Here to Help.\u2192<\/strong><\/a><br>The landscape of PFAS testing regulations and methods continues to evolve around the world, yet the needs of analytical labs are universal. You need fast,&nbsp;accurate, and dependable products supported by personalized advice and expert technical service from people who understand the challenges of these demanding analyses.&nbsp;That\u2019s&nbsp;where Restek&nbsp;come&nbsp;in!&nbsp;<\/p>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<style>\n  \/*WordPress Customization*\/\n\n\n\n  .single-post .author-down {\n    display: none;\n}\n\n.single-post ul.wp-block-list {\n    margin-bottom: 5px;\n}\n\n.cat-name {\n    display: none;\n    margin-top: 0px !important;\n}\n  \n  .single-post p.cat-name {\n    display: none;\n}\n\n  .single-post p.date {\n    display: none;\n}\n\nnav.breadcrumbs {\n    display:none;\n}\n\n.author-details-info {\n  display: none;\n}\n\n\n<\/style>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Come and meet us at the Clarion Congress Hotel Prague at booth 7&nbsp;! Join our Restek team in Prague for the 12th international symposium on recent advances in food analysis. Meet us at booth 7 for all this and much more!&nbsp;&nbsp; Technical Presentations Featured Products &amp; Analytical Solutions Unleash your performance with RMX GC Columns\u2192By&#8230;<\/p>\n","protected":false},"author":76,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","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":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":"","_ppma_block_editor_authors":""},"categories":[2784,2807],"tags":[],"industries-application":[],"post-badge":[],"resource-type":[],"product-library":[],"resource-technique":[],"ppma_author":[414],"class_list":["post-105142","post","type-post","status-publish","format-standard","hentry","category-articles","category-events"],"acf":[],"taxonomy_info":{"category":[{"value":2784,"label":"Articles"},{"value":2807,"label":"Events"}]},"featured_image_src_large":false,"author_info":{"display_name":"Carlo Bauer","author_link":"https:\/\/discover.restek.com\/fr\/author\/carlo-bauerrestek-com\/"},"comment_info":0,"category_info":[{"term_id":2784,"name":"Articles","slug":"articles","term_group":0,"term_taxonomy_id":2784,"taxonomy":"category","description":"","parent":0,"count":511,"filter":"raw","cat_ID":2784,"category_count":511,"category_description":"","cat_name":"Articles","category_nicename":"articles","category_parent":0},{"term_id":2807,"name":"Events","slug":"events","term_group":0,"term_taxonomy_id":2807,"taxonomy":"category","description":"","parent":0,"count":17,"filter":"raw","cat_ID":2807,"category_count":17,"category_description":"","cat_name":"Events","category_nicename":"events","category_parent":0}],"tag_info":false,"authors":[{"term_id":414,"user_id":11,"is_guest":0,"slug":"restek-corporation","display_name":"Restek Corporation","avatar_url":{"url":"https:\/\/discover.restek.com\/wp-content\/uploads\/Restek_Favicon_300x300.jpg","url2x":"https:\/\/discover.restek.com\/wp-content\/uploads\/Restek_Favicon_300x300.jpg"},"author_category":"1","first_name":"Restek","last_name":"Corporation","user_url":"https:\/\/www.linkedin.com\/company\/restek-corporation\/posts\/?feedView=all","job_title":"Chromatography Products and Solutions","description":"Restek is a leading provider of chromatography columns, accessories, and certified reference materials. 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