{"id":42456,"date":"2018-01-01T05:00:00","date_gmt":"2018-01-01T05:00:00","guid":{"rendered":"https:\/\/discover.restek.com\/uncategorized\/gc-troubleshooting-origins-of-ghost-peaks\/"},"modified":"2026-01-28T15:53:19","modified_gmt":"2026-01-28T15:53:19","slug":"gc-troubleshooting-origins-of-ghost-peaks","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/fr\/videos\/gnav3600\/gc-troubleshooting-origins-of-ghost-peaks","title":{"rendered":"GC Troubleshooting\u2014Origins of Ghost Peaks"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"GC Troubleshooting: Origins of Ghost Peaks\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/99cYAaxg4AY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Description<\/h2>\n\n\n\n<p>In gas chromatography, we sometimes see a peak in the chromatogram that is not expected to be there. We call it a \u201cghost peak\u201d. There are a number of sources that can generate extra peaks. Your sample can get polluted, components can be generated in the injection port, gas lines can contaminate, Stationary phase can generate unwanted peaks and analytes can break down. We will discuss the different sources for ghost peaks and how we can reduce the formation or eliminate completely.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In gas chromatography, we sometimes see a peak in the chromatogram that is not expected to be there. We call it a \u201cghost peak\u201d. There are a number of sources that can generate extra peaks. Your sample can get polluted, components can be generated in the injection port, gas lines can contaminate, Stationary phase can generate unwanted peaks and analytes can break down. We will discuss the different sources for ghost peaks and how we can reduce the formation or eliminate completely.<\/p>\n","protected":false},"author":11,"featured_media":41754,"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":[8],"tags":[],"industries-application":[],"post-badge":[],"resource-type":[569],"product-library":[2372],"resource-technique":[2294],"ppma_author":[414],"class_list":["post-42456","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-videos","resource-type-troubleshooting","product-library-gas-chromatography-products","resource-technique-gas-chromatography-gc"],"acf":[],"taxonomy_info":{"category":[{"value":8,"label":"Videos"}],"resource-type":[{"value":569,"label":"Troubleshooting"}],"product-library":[{"value":2372,"label":"Gas Chromatography Products"}],"resource-technique":[{"value":2294,"label":"Gas Chromatography (GC)"}]},"featured_image_src_large":["https:\/\/discover.restek.com\/wp-content\/uploads\/feature-GNAV3600-1024x536.jpg",1024,536,true],"author_info":{"display_name":"Restek Corporation","author_link":"https:\/\/discover.restek.com\/fr\/author\/restek-corporation\/"},"comment_info":0,"category_info":[{"term_id":8,"name":"Videos","slug":"videos","term_group":0,"term_taxonomy_id":8,"taxonomy":"category","description":"","parent":0,"count":134,"filter":"raw","cat_ID":8,"category_count":134,"category_description":"","cat_name":"Videos","category_nicename":"videos","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"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/posts\/42456","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/comments?post=42456"}],"version-history":[{"count":3,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/posts\/42456\/revisions"}],"predecessor-version":[{"id":85314,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/posts\/42456\/revisions\/85314"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/media\/41754"}],"wp:attachment":[{"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/media?parent=42456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/categories?post=42456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/tags?post=42456"},{"taxonomy":"industries-application","embeddable":true,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/industries-application?post=42456"},{"taxonomy":"post-badge","embeddable":true,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/post-badge?post=42456"},{"taxonomy":"resource-type","embeddable":true,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/resource-type?post=42456"},{"taxonomy":"product-library","embeddable":true,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/product-library?post=42456"},{"taxonomy":"resource-technique","embeddable":true,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/resource-technique?post=42456"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/discover.restek.com\/fr\/wp-json\/wp\/v2\/ppma_author?post=42456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}