{"id":43444,"date":"2025-10-03T21:11:55","date_gmt":"2025-10-03T21:11:55","guid":{"rendered":"https:\/\/discover.restek.com\/uncategorized\/pfas-analysis-by-us-epa-method-1633a-for-aqueous-solid-biosolids-and-tissue\/"},"modified":"2026-04-14T17:22:25","modified_gmt":"2026-04-14T17:22:25","slug":"pfas-analysis-by-us-epa-method-1633a-for-aqueous-solid-biosolids-and-tissue","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/de\/artikel\/evar4286\/pfas-analysis-by-us-epa-method-1633a-for-aqueous-solid-biosolids-and-tissue","title":{"rendered":"PFAS Analysis by U.S. EPA Method 1633A for Aqueous, Solid, Biosolids, and Tissue"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li><strong>Sample Matrix:<\/strong> aqueous, solid, biosolids, and tissue samples<\/li>\n\n\n\n<li><strong>Sample Preparation: <\/strong>WAX solid-phase extraction<\/li>\n\n\n\n<li><strong>Detection Technique: <\/strong>LC-MS\/MS<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Analysis of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous, Solid, Biosolids, and Tissue Samples by LC-MS\/MS<\/h2>\n\n\n\n<p>U.S. EPA Method 1633A is used for the analysis of 40 PFAS in aqueous, solid, biosolids, and tissue samples. The analysis of bile acids TCDCA, TDCA, and TUDCA is also required. EPA Method 1633A combines solid-phase extraction sample preparation using weak anion exchange (WAX) cartridges with LC-MS\/MS analysis on a C18 column. The method is performance based and allows modifications to be made to improve performance (e.g., to overcome interferences or improve sensitivity, accuracy, or precision), but only if all method performance criteria are met. The full analyte list and recommended products for PFAS analysis in aqueous, solid, biosolids, and tissue samples by Method 1633A are provided below. In addition, you can register and directly <a href=\"https:\/\/explore.restek.com\/PFAS-Guides\" target=\"_blank\" rel=\"noreferrer noopener\">compare analyte lists and matrices across PFAS analysis methods here<\/a> or visit <a href=\"https:\/\/discover.restek.com\/pfas-analysis\/\" data-type=\"link\" data-id=\"https:\/\/discover.restek.com\/pfas-analysis\/\">www.restek.com\/PFAS<\/a> to explore our technical resources for PFAS analysis.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.epa.gov\/system\/files\/documents\/2024-12\/method-1633a-december-5-2024-508-compliant.pdf\" style=\"background-color:#015e9a;padding-right:50px;padding-left:50px\" target=\"_blank\" rel=\"noreferrer noopener\">Access Method<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Analyte List for U.S. EPA Method 1633A for PFAS Analysis<\/h3>\n\n\n\n<p>PFAS acronyms, compound names, and CAS numbers vary across methods and guidelines, and they also depend on compound form (e.g., neutral vs. salt). The following list uses standardized terminology to allow easy comparison across the methods and guidelines in our <a href=\"https:\/\/explore.restek.com\/PFAS-Guides\" target=\"_blank\" rel=\"noreferrer noopener\">comprehensive guide<\/a>. Please refer to U.S. EPA Method 1633A for method-specific nomenclature. Note that the analysis of bile acids TCDCA, TDCA, and TUDCA is also required by this method.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Acronym<\/strong><\/td><td><strong>Compound Name<\/strong><\/td><td><strong>CAS#<\/strong><\/td><\/tr><tr><td>NEtFOSAA<\/td><td><em>N<\/em>-ethyl perfluorooctanesulfonamidoacetic acid<\/td><td>2991-50-6<\/td><\/tr><tr><td>NMeFOSAA<\/td><td><em>N<\/em>-methyl perfluorooctanesulfonamidoacetic acid<\/td><td>2355-31-9<\/td><\/tr><tr><td>PFBS<\/td><td>Perfluoro-1-butanesulfonic acid<\/td><td>375-73-5<\/td><\/tr><tr><td>PFDA<\/td><td>Perfluorodecanoic acid<\/td><td>335-76-2<\/td><\/tr><tr><td>PFDoA<\/td><td>Perfluorododecanoic acid<\/td><td>307-55-1<\/td><\/tr><tr><td>PFHpA<\/td><td>Perfluoroheptanoic acid<\/td><td>375-85-9<\/td><\/tr><tr><td>PFHxS<\/td><td>Perfluoro-1-hexanesulfonic acid<\/td><td>355-46-4<\/td><\/tr><tr><td>PFHxA<\/td><td>Perfluorohexanoic acid<\/td><td>307-24-4<\/td><\/tr><tr><td>PFNA<\/td><td>Perfluorononanoic acid<\/td><td>375-95-1<\/td><\/tr><tr><td>PFOS<\/td><td>Perfluorooctanesulfonic acid<\/td><td>1763-23-1<\/td><\/tr><tr><td>PFOA<\/td><td>Perfluorooctanoic acid<\/td><td>335-67-1<\/td><\/tr><tr><td>PFTeDA<\/td><td>Perfluorotetradecanoic acid<\/td><td>376-06-7<\/td><\/tr><tr><td>PFTrDA<\/td><td>Perfluorotridecanoic acid<\/td><td>72629-94-8<\/td><\/tr><tr><td>PFUnA<\/td><td>Perfluoroundecanoic acid<\/td><td>2058-94-8<\/td><\/tr><tr><td>HFPO-DA, GenX<\/td><td>Hexafluoropropylene oxide dimer acid<\/td><td>13252-13-6<\/td><\/tr><tr><td>PFBA<\/td><td>Perfluorobutanoic acid<\/td><td>375-22-4<\/td><\/tr><tr><td>PFPeA<\/td><td>Perfluoropentanoic acid<\/td><td>2706-90-3<\/td><\/tr><tr><td>PFDS<\/td><td>Perfluoro-1-decanesulfonic acid<\/td><td>335-77-3<\/td><\/tr><tr><td>PFHpS<\/td><td>Perfluoro-1-heptanesulfonic acid<\/td><td>375-92-8<\/td><\/tr><tr><td>PFPeS<\/td><td>Perfluoro-1-pentanesulfonic acid<\/td><td>2706-91-4<\/td><\/tr><tr><td>FOSA<\/td><td>Perfluoro-1-octanesulfonamide<\/td><td>754-91-6<\/td><\/tr><tr><td>4:2 FTS<\/td><td>1<em>H<\/em>,1<em>H<\/em>,2<em>H<\/em>,2<em>H<\/em>-Perfluorohexane sulfonic acid<\/td><td>757124-72-4<\/td><\/tr><tr><td>6:2 FTS<\/td><td>1<em>H<\/em>,1<em>H<\/em>,2<em>H<\/em>,2<em>H<\/em>-Perfluorooctane sulfonic acid<\/td><td>27619-97-2<\/td><\/tr><tr><td>8:2 FTS<\/td><td>1<em>H<\/em>,1<em>H<\/em>,2<em>H<\/em>,2<em>H<\/em>-Perfluorodecane sulfonic acid<\/td><td>39108-34-4<\/td><\/tr><tr><td>NMeFOSA<\/td><td><em>N<\/em>-Methylperfluorooctanesulfonamide<\/td><td>31506-32-8<\/td><\/tr><tr><td>NEtFOSA<\/td><td><em>N<\/em>-ethylperfluorooctanesulfonamide<\/td><td>4151-50-2<\/td><\/tr><tr><td>9Cl-PF3ONS<\/td><td>9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (F-53B Major)<\/td><td>756426-58-1<\/td><\/tr><tr><td>11Cl-PF3OUdS<\/td><td>11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor)<\/td><td>763051-92-9<\/td><\/tr><tr><td>ADONA<\/td><td>4,8-Dioxa-3H-perfluorononanoic acid<\/td><td>919005-14-4<\/td><\/tr><tr><td>PFNS<\/td><td>Perfluoro-1-nonanesulfonic acid<\/td><td>68259-12-1<\/td><\/tr><tr><td>PFEESA<\/td><td>Perfluoro(2-ethoxyethane)sulfonic acid<\/td><td>113507-82-7<\/td><\/tr><tr><td>NFDHA<\/td><td>Nonafluoro-3,6-dioxaheptanoic acid<\/td><td>151772-58-6<\/td><\/tr><tr><td>PFMPA<\/td><td>Perfluoro-3-methoxypropanoic acid<\/td><td>377-73-1<\/td><\/tr><tr><td>PFMBA<\/td><td>Perfluoro-4-methoxybutanoic acid<\/td><td>863090-89-5<\/td><\/tr><tr><td>NMeFOSE<\/td><td>2-(<em>N<\/em>-methylperfluoro-1-octanesulfonamido)-ethanol<\/td><td>24448-09-7<\/td><\/tr><tr><td>NEtFOSE<\/td><td>2-(<em>N<\/em>-ethylperfluoro-1-octanesulfonamido)-ethanol<\/td><td>1691-99-2<\/td><\/tr><tr><td>PFDoS<\/td><td>Perfluorododecane sulfonate<\/td><td>79780-39-5<\/td><\/tr><tr><td>3:3 FTCA<\/td><td>3:3 Fluorotelomer carboxylic acid<\/td><td>356-02-5<\/td><\/tr><tr><td>5:3 FTCA<\/td><td>5:3 Fluorotelomer carboxylic acid<\/td><td>914637-49-3<\/td><\/tr><tr><td>7:3 FTCA, FHpPA<\/td><td>7:3 Fluorotelomer carboxylic acid or 3-perfluoroheptyl propanoic acid<\/td><td>812-70-4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/explore.restek.com\/PFAS-Guides\" style=\"background-color:#015e9a;padding-right:50px;padding-left:50px\" target=\"_blank\" rel=\"noreferrer noopener\">Want to compare analyte lists? <em>Check out our guide!<\/em><\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Recommended Products for U.S. EPA Method 1633A for PFAS Analysis<\/h3>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div class=\"cpb\">\n            <h3 class=\"cpb-heading\">Analytical LC Columns:<\/h3>\n            <hr class=\"cpb-heading-underline\" \/>\n            <div class=\"cpb-list\">\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/9304A52\">                                Art.-Nr. 9304A52                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Raptor C18, 2.7 \u00b5m, 50&#215;2.1 mm HPLC-S\u00e4ule<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/9304A52\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/9634252\">                                Art.-Nr. 9634252                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Force C18, 1.8 \u00b5m, 50 x 2.1mm LC-S\u00e4ule<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/9634252\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n        \n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div class=\"cpb\">\n            <h3 class=\"cpb-heading\">Delay Columns:<\/h3>\n            <hr class=\"cpb-heading-underline\" \/>\n            <div class=\"cpb-list\">\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/27854\">                                Art.-Nr. 27854                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">PFAS Delay-S\u00e4ule, 5 \u00b5m, 50&#215;2.1 mm HPLC-S\u00e4ule<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/27854\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n        \n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>PFAS delay column: 5 \u00b5m, 50 x 3.0 mm (cat.# 580959 [custom product])<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div class=\"cpb\">\n            <h3 class=\"cpb-heading\">Guard Columns:<\/h3>\n            <hr class=\"cpb-heading-underline\" \/>\n            <div class=\"cpb-list\">\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/25809\">                                Art.-Nr. 25809                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">UltraShield UHPLC Vors\u00e4ulen-Filter, 0.2 \u03bcm Fritte, 1<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/25809\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/25808\">                                Art.-Nr. 25808                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">EXP Direct Connect-Halter f\u00fcr EXP Vors\u00e4ulenkartuschen, enth\u00e4lt Fittings und Ferrules<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/25808\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/9304A0252\">                                Art.-Nr. 9304A0252                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Raptor C18 EXP Vors\u00e4ulenkartusche, 2.7 \u00b5m, 5 x 2.1 mm, 3er Pack<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/9304A0252\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n        \n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div class=\"cpb\">\n            <h3 class=\"cpb-heading\">Sample Prep:<\/h3>\n            <hr class=\"cpb-heading-underline\" \/>\n            <div class=\"cpb-list\">\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/28937\">                                Art.-Nr. 28937                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">SPE-Kartusche, Resprep S-DVB, 500 mg\/6 mL, 30er Pck.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/28937\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/28268\">                                Art.-Nr. 28268                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Resprep Polymerische SPE-Kartusche, WCX, 6 mL\/500 mg, 30 \u03bcm, 30er Pck.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/28268\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/28292\">                                Art.-Nr. 28292                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Resprep Polymerische SPE-Kartusche, WCX, 6 mL\/200mg, 30 \u03bcm, 30er Pck.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/28292\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n        \n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div class=\"cpb\">\n            <h3 class=\"cpb-heading\">Sample Reservoirs:<\/h3>\n            <hr class=\"cpb-heading-underline\" \/>\n            <div class=\"cpb-list\">\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/26015\">                                Art.-Nr. 26015                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">SPE Leerr\u00f6hrchen, Probenreservoir, 75 mL, Polypropylen, 12er Pack<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/26015\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/26007\">                                Art.-Nr. 26007                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">SPE Verbinder, 1, 3, 6, 10 oder 15 mL, Polypropylen, 15er Pack<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/26007\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n        \n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div class=\"cpb\">\n            <h3 class=\"cpb-heading\">Vacuum Manifolds:<\/h3>\n            <hr class=\"cpb-heading-underline\" \/>\n            <div class=\"cpb-list\">\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/28299-VM\">                                Art.-Nr. 28299-VM                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Resprep QR-24 Vakuum-Absaugstation<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/28299-VM\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/28298-VM\">                                Art.-Nr. 28298-VM                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Resprep QR-12 Vakuum-Absaugstation<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/28298-VM\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n        \n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div class=\"cpb\">\n            <h3 class=\"cpb-heading\">Vacuum Pumps:<\/h3>\n            <hr class=\"cpb-heading-underline\" \/>\n            <div class=\"cpb-list\">\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/27426\">                                Art.-Nr. 27426                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Chemker 300 PTFE Vakuumpumpe, 20 L\/min, AC 110 V, 60 Hz<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/27426\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/27427\">                                Art.-Nr. 27427                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Chemker 300 PTFE Vakuumpumpe, 18 L\/min, AC 220 V, 50 Hz<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/27427\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n        \n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div class=\"cpb\">\n            <h3 class=\"cpb-heading\">General Lab Supplies:<\/h3>\n            <hr class=\"cpb-heading-underline\" \/>\n            <div class=\"cpb-list\">\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/23243\">                                Art.-Nr. 23243                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Screw-Thread Polypropylen Vials mit begrenztem Volumen, 9 mm, 700 \u03bcL, 12 x 32 mm, 100er Pack<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/23243\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/23246\">                                Art.-Nr. 23246                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Screw-Thread Polypropylen Vials mit begrenztem Volumen, 9 mm, 700 \u03bcL, 12 x 32 mm, 1000er Pack<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/23246\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/23244\">                                Art.-Nr. 23244                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">2.0 mL, 9 mm Solid Top-Polyethylen Kappen, Screw-Thread, 10 mil dicke Membran, farblos, 100er Pack<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/23244\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/23247\">                                Art.-Nr. 23247                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">2.0 mL, 9 mm Solid Top-Polyethylen Kappen, Screw-Thread, 10 mil dicke Membran, farblos, 1000er Pack<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/23247\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/25846\">                                Art.-Nr. 25846                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Leere Zentrifugenr\u00f6hrchen, 50 mL, Polypropylen mit Kappe, 50er Pck.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/25846\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/28290\">                                Art.-Nr. 28290                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Leere Zentrifugenr\u00f6hrchen, 50 mL, Polypropylen mit Kappe, 500er Pck.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/28290\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/22775\">                                Art.-Nr. 22775                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Norm-Ject Kunststoffspritze, 10 mL Luer-Lock-Spitze, 100er Pck.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/22775\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/22774\">                                Art.-Nr. 22774                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Norm-Ject Kunststoffspritze, 5 mL Luer-Lock-Spitze, 100er Pck.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/22774\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n        \n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Discover More Solutions for PFAS Analysis!<\/h3>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns43444_418df4-59{gap:var(--global-kb-gap-md, 2rem);justify-content:center;align-items:center;}.kt-btns43444_418df4-59 .kt-button{font-weight:normal;font-style:normal;}.kt-btns43444_418df4-59 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns43444_418df4-59 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns43444_418df4-59 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns43444_418df4-59 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns43444_418df4-59 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns43444_418df4-59 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns43444_418df4-59 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns43444_418df4-59\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn43444_31dc3d-07.kb-button{width:initial;}<\/style><a class=\"kb-button kt-button button kb-btn43444_31dc3d-07 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:\/\/discover.restek.com\/articles\/evar3552\/guide-to-pfas-testing-methods\"><span class=\"kt-btn-inner-text\">Access Other PFAS Methods<\/span><\/a>\n\n<style>ul.menu .wp-block-kadence-advancedbtn .kb-btn43444_a64fab-71.kb-button{width:initial;}<\/style><a class=\"kb-button kt-button button kb-btn43444_a64fab-71 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:\/\/discover.restek.com\/articles\/EVAR3498\/lab-supplies-for-pfas-analysis\/\"><span class=\"kt-btn-inner-text\">Compare Product Lists<\/span><\/a>\n\n<style>ul.menu .wp-block-kadence-advancedbtn .kb-btn43444_6d962f-43.kb-button{width:initial;}<\/style><a class=\"kb-button kt-button button kb-btn43444_6d962f-43 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:\/\/discover.restek.com\/pfas-analysis\/\"><span class=\"kt-btn-inner-text\">Explore More Technical Resources<\/span><\/a><\/div>\n\n\n\n<div class=\"wp-block-group hub-fullwidth-container\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><style>.kadence-column43444_951742-07 > .kt-inside-inner-col,.kadence-column43444_951742-07 > .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-column43444_951742-07 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column43444_951742-07 > .kt-inside-inner-col{flex-direction:column;}.kadence-column43444_951742-07 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column43444_951742-07 > .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:50% 0%;background-attachment:scroll;background-repeat:no-repeat;}.kadence-column43444_951742-07 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column43444_951742-07{position:relative;}.kadence-column43444_951742-07, .kt-inside-inner-col > .kadence-column43444_951742-07:not(.specificity){margin-top:45px;margin-bottom:10px;}@media all and (max-width: 1024px){.kadence-column43444_951742-07 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column43444_951742-07 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column43444_951742-07 kvs-sm-false hub-guttered-centered-container\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id43444_af2fec-88 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id43444_af2fec-88 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id43444_af2fec-88 > .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-id43444_af2fec-88 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id43444_af2fec-88 > .kt-row-column-wrap{grid-template-columns:minmax(0, 2fr) minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id43444_af2fec-88 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id43444_af2fec-88 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-column43444_af1b2d-37 > .kt-inside-inner-col{display:flex;}.kadence-column43444_af1b2d-37 > .kt-inside-inner-col,.kadence-column43444_af1b2d-37 > .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-column43444_af1b2d-37 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column43444_af1b2d-37 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column43444_af1b2d-37 > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column43444_af1b2d-37{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column43444_af1b2d-37{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column43444_af1b2d-37 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column43444_af1b2d-37 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column43444_af1b2d-37{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column43444_af1b2d-37{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column43444_af1b2d-37{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column43444_af1b2d-37 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column43444_af1b2d-37 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column43444_af1b2d-37{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column43444_af1b2d-37{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column43444_af1b2d-37 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column43444_af1b2d-37 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column43444_af1b2d-37\"><div class=\"kt-inside-inner-col\"><\/div><\/div>\n\n\n<style>.kadence-column43444_0102b0-87 > .kt-inside-inner-col,.kadence-column43444_0102b0-87 > .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-column43444_0102b0-87 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column43444_0102b0-87 > .kt-inside-inner-col{flex-direction:column;}.kadence-column43444_0102b0-87 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column43444_0102b0-87 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column43444_0102b0-87{position:relative;}@media all and (max-width: 1024px){.kadence-column43444_0102b0-87 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column43444_0102b0-87 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column43444_0102b0-87\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading43444_ccfc27-1b, .wp-block-kadence-advancedheading.kt-adv-heading43444_ccfc27-1b[data-kb-block=\"kb-adv-heading43444_ccfc27-1b\"]{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-heading43444_ccfc27-1b mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading43444_ccfc27-1b[data-kb-block=\"kb-adv-heading43444_ccfc27-1b\"] 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-heading43444_ccfc27-1b img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading43444_ccfc27-1b[data-kb-block=\"kb-adv-heading43444_ccfc27-1b\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading43444_ccfc27-1b, .wp-block-kadence-advancedheading.kt-adv-heading43444_ccfc27-1b[data-kb-block=\"kb-adv-heading43444_ccfc27-1b\"]{font-size:36px;}}<\/style>\n<h2 class=\"kt-adv-heading43444_ccfc27-1b wp-block-kadence-advancedheading has-theme-palette-9-color has-text-color\" data-kb-block=\"kb-adv-heading43444_ccfc27-1b\">Start Saving <br>Time Today<\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading43444_284227-77, .wp-block-kadence-advancedheading.kt-adv-heading43444_284227-77[data-kb-block=\"kb-adv-heading43444_284227-77\"]{text-align:center;font-size:20px;font-weight:400;font-style:normal;font-family:'Open Sans';color:#dee2e6;}.wp-block-kadence-advancedheading.kt-adv-heading43444_284227-77 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading43444_284227-77[data-kb-block=\"kb-adv-heading43444_284227-77\"] 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-heading43444_284227-77 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading43444_284227-77[data-kb-block=\"kb-adv-heading43444_284227-77\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading43444_284227-77, .wp-block-kadence-advancedheading.kt-adv-heading43444_284227-77[data-kb-block=\"kb-adv-heading43444_284227-77\"]{font-size:16px;}}<\/style>\n<p class=\"kt-adv-heading43444_284227-77 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading43444_284227-77\">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-btns43444_aeaf2c-a5{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns43444_aeaf2c-a5 .kt-button{font-weight:normal;font-style:normal;}.kt-btns43444_aeaf2c-a5 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns43444_aeaf2c-a5 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns43444_aeaf2c-a5 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns43444_aeaf2c-a5 .kt-btn-wrap-0 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