{"id":3468,"date":"2025-07-31T17:45:29","date_gmt":"2025-07-31T17:45:29","guid":{"rendered":"https:\/\/discover.restek.com\/?p=3468"},"modified":"2025-12-09T00:45:40","modified_gmt":"2025-12-09T00:45:40","slug":"when-should-i-use-solvent-desorption-thermal-desorption-vs-other-air-sampling-techniques","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/ja\/faq-fr\/gnot4974\/when-should-i-use-solvent-desorption-thermal-desorption-vs-other-air-sampling-techniques","title":{"rendered":"When should I use solvent desorption (thermal desorption) vs. other air sampling techniques?"},"content":{"rendered":"\n<p>Please refer to the following table for a comparison of the advantages and disadvantages of canisters, gas sampling bags, and solvent desorption tubes (thermal desorption tubes).<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><strong>Canister<\/strong><\/td><td><strong>Gas Sampling Bag<\/strong><\/td><td><strong>Solvent\/Thermal Desorption Tube<\/strong><\/td><\/tr><tr><td><strong>Media Type<\/strong><\/td><td>whole air<\/td><td>whole air<\/td><td>adsorption<\/td><\/tr><tr><td><strong>Sensitivity<\/strong><\/td><td>ppt-ppb<\/td><td>ppb-ppm<\/td><td>ppb-ppm<\/td><\/tr><tr><td><strong>Technique<\/strong><\/td><td>passive (no pump)<\/td><td>active<\/td><td>active\/passive<\/td><\/tr><tr><td><strong>Sample Type<\/strong><\/td><td>grab or integrated<\/td><td>grab or integrated<\/td><td>grab or integrated<\/td><\/tr><tr><td><strong>Analyte<\/strong><\/td><td>wide range of VOCs &amp; permanent gases<\/td><td>wide range of VOCs &amp; permanent gases<\/td><td>sorbent specific<\/td><\/tr><tr><td><strong>Applications<\/strong><\/td><td>ambient, IAQ, emergency response, IH<\/td><td>ambient, IAQ, emission<\/td><td>ambient, IAQ, IH<\/td><\/tr><tr><td><strong>Durability<\/strong><\/td><td>reusable<\/td><td>one-time use<\/td><td>solvent: one-time use; thermal: reusable (performance is solvent specific)<\/td><\/tr><tr><td><strong>Inertness<\/strong><\/td><td>excellent<\/td><td>fair<\/td><td>fair<\/td><\/tr><tr><td><strong>Stability<\/strong><\/td><td>30 day<\/td><td>48 hrs<\/td><td>varies by analyte<\/td><\/tr><tr><td><strong>Sample Volume<\/strong><\/td><td>0.4\u201315 L<\/td><td>0.5\u2013100 L<\/td><td>varies by analyte<\/td><\/tr><tr><td><strong>Sampling Time<\/strong><\/td><td>seconds to days<\/td><td>minutes to hours<\/td><td>minutes to hours<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Please refer to the following table for a comparison of the advantages and disadvantages of canisters, gas sampling bags, and solvent desorption tubes (thermal desorption tubes). Canister Gas Sampling Bag Solvent\/Thermal Desorption Tube Media Type whole air whole air adsorption Sensitivity ppt-ppb ppb-ppm ppb-ppm Technique passive (no pump) active active\/passive Sample Type grab or integrated&#8230;<\/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":[801],"tags":[2677,2690],"industries-application":[],"post-badge":[],"resource-type":[],"product-library":[2443],"resource-technique":[],"ppma_author":[414],"class_list":["post-3468","post","type-post","status-publish","format-standard","hentry","category-faq-fr","tag-faq-air-sampling","tag-faq-general-air-sampling","product-library-echantillonnage-dair-et-de-gaz"],"acf":[],"taxonomy_info":{"category":[{"value":801,"label":"FAQ"}],"post_tag":[{"value":2677,"label":"FAQ: Air Sampling"},{"value":2690,"label":"FAQ: General Air Sampling"}],"product-library":[{"value":2443,"label":"\u00c9chantillonnage d'air et de gaz"}]},"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":801,"name":"FAQ","slug":"faq-fr","term_group":0,"term_taxonomy_id":801,"taxonomy":"category","description":"","parent":0,"count":271,"filter":"raw","cat_ID":801,"category_count":271,"category_description":"","cat_name":"FAQ","category_nicename":"faq-fr","category_parent":0}],"tag_info":[{"term_id":2677,"name":"FAQ: Air Sampling","slug":"faq-air-sampling","term_group":0,"term_taxonomy_id":2677,"taxonomy":"post_tag","description":"Browse frequently asked questions for air sampling products.","parent":0,"count":39,"filter":"raw"},{"term_id":2690,"name":"FAQ: General Air Sampling","slug":"faq-general-air-sampling","term_group":0,"term_taxonomy_id":2690,"taxonomy":"post_tag","description":"Browse general frequently asked questions for air sampling products.","parent":0,"count":2,"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\/3468","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=3468"}],"version-history":[{"count":3,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/posts\/3468\/revisions"}],"predecessor-version":[{"id":71390,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/posts\/3468\/revisions\/71390"}],"wp:attachment":[{"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/media?parent=3468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/categories?post=3468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/tags?post=3468"},{"taxonomy":"industries-application","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/industries-application?post=3468"},{"taxonomy":"post-badge","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/post-badge?post=3468"},{"taxonomy":"resource-type","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/resource-type?post=3468"},{"taxonomy":"product-library","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/product-library?post=3468"},{"taxonomy":"resource-technique","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/resource-technique?post=3468"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/ppma_author?post=3468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}