If you are analyzing PFAS at very low levels, like parts per trillion (ppt), for accurate identification and quantitation, you need to make sure that the PFAS detected belong only to your sample. If background PFAS contamination from your LC coelutes with sample PFAS, they will interfere and cause inaccurate results.<\/p>\n","protected":false},"excerpt":{"rendered":"
If you are analyzing PFAS at very low levels, like parts per trillion (ppt), for accurate identification and quantitation, you need to make sure that the PFAS detected belong only to your sample. If background PFAS contamination from your LC coelutes with sample PFAS, they will interfere and cause inaccurate results.<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","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":""},"categories":[804],"tags":[2682,2703,2782],"industries-application":[2165],"post-badge":[],"resource-type":[],"product-library":[],"resource-technique":[],"ppma_author":[414],"class_list":["post-4083","post","type-post","status-publish","format-standard","hentry","category-faq-ja","tag-faq-hplc-and-uhplc","tag-faq-what-are-pfas-delay-columns","tag-pfas","industries-application-pfas-testing"],"acf":[],"taxonomy_info":{"category":[{"value":804,"label":"FAQ"}],"post_tag":[{"value":2682,"label":"FAQ: HPLC and UHPLC"},{"value":2703,"label":"FAQ: What are PFAS Delay Columns?"},{"value":2782,"label":"PFAS"}],"industries-application":[{"value":2165,"label":"PFAS Testing"}]},"featured_image_src_large":false,"author_info":{"display_name":"Restek Corporation","author_link":"https:\/\/discover.restek.com\/ja\/author\/restek-corporation\/"},"comment_info":0,"category_info":[{"term_id":804,"name":"FAQ","slug":"faq-ja","term_group":0,"term_taxonomy_id":804,"taxonomy":"category","description":"","parent":0,"count":271,"filter":"raw","cat_ID":804,"category_count":271,"category_description":"","cat_name":"FAQ","category_nicename":"faq-ja","category_parent":0}],"tag_info":[{"term_id":2682,"name":"FAQ: HPLC and UHPLC","slug":"faq-hplc-and-uhplc","term_group":0,"term_taxonomy_id":2682,"taxonomy":"post_tag","description":"Browse frequently asked questions for HPLC and UHPLC products.","parent":0,"count":61,"filter":"raw"},{"term_id":2703,"name":"FAQ: What are PFAS Delay Columns?","slug":"faq-what-are-pfas-delay-columns","term_group":0,"term_taxonomy_id":2703,"taxonomy":"post_tag","description":"Browse frequently asked questions about PFAS delay columns.","parent":0,"count":8,"filter":"raw"},{"term_id":2782,"name":"PFAS","slug":"pfas","term_group":0,"term_taxonomy_id":2782,"taxonomy":"post_tag","description":"","parent":0,"count":113,"filter":"raw"}],"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"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/posts\/4083","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/comments?post=4083"}],"version-history":[{"count":3,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/posts\/4083\/revisions"}],"predecessor-version":[{"id":92756,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/posts\/4083\/revisions\/92756"}],"wp:attachment":[{"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/media?parent=4083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/categories?post=4083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/tags?post=4083"},{"taxonomy":"industries-application","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/industries-application?post=4083"},{"taxonomy":"post-badge","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/post-badge?post=4083"},{"taxonomy":"resource-type","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/resource-type?post=4083"},{"taxonomy":"product-library","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/product-library?post=4083"},{"taxonomy":"resource-technique","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/resource-technique?post=4083"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/ppma_author?post=4083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}