{"id":51806,"date":"2019-11-21T13:30:00","date_gmt":"2019-11-21T13:30:00","guid":{"rendered":"https:\/\/discover.restek.com\/uncategorized\/tetrachlorobenzene-isomers-added-to-proezgc\/"},"modified":"2025-11-19T19:49:20","modified_gmt":"2025-11-19T19:49:20","slug":"tetrachlorobenzene-isomers-added-to-proezgc","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/es\/blogs\/gnbl4811\/tetrachlorobenzene-isomers-added-to-proezgc","title":{"rendered":"Tetrachlorobenzene isomers added to ProEZGC!"},"content":{"rendered":"\n<p>Tetrachlorobenzenes are manufactured as intermediates for the production of fungicides, herbicides, defoliants, insecticides as well as dielectric fluids for transformers (1). There are three isomers with the following chlorine substitutions; 1,2,3,4 \/ 1,2,3,5 \/ 1,2,4,5. While the chemical industry measures these compounds for purity they are also found in the environment as the result of leaking transformers and to a lesser extent from the manufacture of paper. In the pulp and paper industry these compounds can be a byproduct of the bleaching process which uses chlorine and chlorine dioxide (2).<\/p>\n\n\n\n<p>Image of 1,2,3,4- tetrachlorobenzene.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"649\" height=\"535\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/blog-tetrachlorobenzene-isomers-added-to-proezgc-01.png\" alt=\"\" class=\"wp-image-16978\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/blog-tetrachlorobenzene-isomers-added-to-proezgc-01.png 649w, https:\/\/discover.restek.com\/wp-content\/uploads\/blog-tetrachlorobenzene-isomers-added-to-proezgc-01-300x247.png 300w\" sizes=\"auto, (max-width: 649px) 100vw, 649px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/compound\/tetrachlorobenzene#section=3D-Conformer\" target=\"_blank\" rel=\"noopener\">https:\/\/pubchem.ncbi.nlm.nih.gov\/compound\/tetrachlorobenzene#section=3D-Conformer<\/a><\/p>\n\n\n\n<p>We have had several requests for these compounds and have added them to the over 500 compounds currently on the Rxi-624Sil MS ProEZGC library.<\/p>\n\n\n\n<p>On the Rxi-624Sil MS, the isomers elute in the order as they are listed below:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1,2,3,5- Tetrachlorobenzene<\/li>\n\n\n\n<li>1,2,4,5- Tetrachlorobenzene<\/li>\n\n\n\n<li>1,2,3,4- Tetrachlorobenzene<\/li>\n<\/ul>\n\n\n\n<p>\u00a0Figure 1: Shows the Tetrachlorobenzene isomers with alkanes on the Rxi-624Sil MS.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"600\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/blog-tetrachlorobenzene-isomers-added-to-proezgc-02-1024x600.png\" alt=\"\" class=\"wp-image-16984\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/blog-tetrachlorobenzene-isomers-added-to-proezgc-02-1024x600.png 1024w, https:\/\/discover.restek.com\/wp-content\/uploads\/blog-tetrachlorobenzene-isomers-added-to-proezgc-02-300x176.png 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/blog-tetrachlorobenzene-isomers-added-to-proezgc-02-768x450.png 768w, https:\/\/discover.restek.com\/wp-content\/uploads\/blog-tetrachlorobenzene-isomers-added-to-proezgc-02.png 1494w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Government of Canada. 1993. Tetrachlorobenzene. Canadian Environmental Protection Act Priority Substances List Assessment Report. Environment Canada and Health Canada, Ottawa.<\/li>\n\n\n\n<li>US EPA. 1994. Locating and Estimating Air Emissions from Sources of Chlorobezenes (revised). EPA-454\/R-93-044. Office of Air Quality Planning and Standards. Research Triangle Park, NC.<\/li>\n<\/ol>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Tetrachlorobenzenes are manufactured as intermediates for the production of fungicides, herbicides, defoliants, insecticides as well as dielectric fluids for transformers (1). There are three isomers with the following chlorine substitutions; 1,2,3,4 \/ 1,2,3,5 \/ 1,2,4,5. While the chemical industry measures&#8230;<\/p>\n","protected":false},"author":26,"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":[9],"tags":[],"industries-application":[2186,2187,2181,2185,2191,2193,2182,2184,2668,2190],"post-badge":[],"resource-type":[],"product-library":[],"resource-technique":[2307],"hf_cat_post":[623],"ppma_author":[446],"class_list":["post-51806","post","type-post","status-publish","format-standard","hentry","category-blogs","industries-application-air-monitoring-zh","industries-application-drinking-water-wastewater-testing-zh","industries-application-energy-zh","industries-application-environmental-zh","industries-application-food-beverage-zh","industries-application-food-safety-zh","industries-application-fuel-production-zh","industries-application-refining-zh","industries-application-semivolatiles","industries-application-soil-sediment-biota-testing-zh","resource-technique-gas-chromatography-gc-zh"],"acf":[],"taxonomy_info":{"category":[{"value":9,"label":"Blogs"}],"industries-application":[{"value":2186,"label":"\u7a7a\u6c14\u76d1\u6d4b"},{"value":2187,"label":"\u996e\u7528\u6c34&amp;\u5e9f\u6c34\u68c0\u6d4b"},{"value":2181,"label":"\u80fd\u6e90"},{"value":2185,"label":"\u73af\u5883"},{"value":2191,"label":"\u98df\u54c1\u548c\u996e\u6599"},{"value":2193,"label":"\u98df\u54c1\u5b89\u5168"},{"value":2182,"label":"\u71c3\u6599\u751f\u4ea7"},{"value":2184,"label":"\u7cbe\u70bc"},{"value":2668,"label":"Semivolatiles"},{"value":2190,"label":"\u571f\u58e4\u3001\u6c89\u79ef\u7269\u3001\u751f\u7269\u68c0\u6d4b"}],"resource-technique":[{"value":2307,"label":"\u6c14\u76f8\u8272\u8c31\uff08GC\uff09"}]},"featured_image_src_large":false,"author_info":{"display_name":"Corby 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