{"id":4551,"date":"2026-04-09T14:41:06","date_gmt":"2026-04-09T06:41:06","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4551"},"modified":"2026-04-09T14:41:06","modified_gmt":"2026-04-09T06:41:06","slug":"determination-of-chromium-in-refined-sulfur-graphite-furnace-atomic-absorption-spectrometry-3","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/fr\/applications\/determination-of-chromium-in-refined-sulfur-graphite-furnace-atomic-absorption-spectrometry-3\/","title":{"rendered":"D\u00e9termination du chrome dans le soufre raffin\u00e9 (spectrom\u00e9trie d'absorption atomique au four \u00e0 graphite)"},"content":{"rendered":"<ol>\n<li>Aper\u00e7u de la m\u00e9thode<\/li>\n<\/ol>\n<p>Apr\u00e8s digestion, l'\u00e9chantillon est atomis\u00e9 dans un four \u00e0 graphite et l'absorbance est mesur\u00e9e \u00e0 357,9 nm. Dans une certaine gamme de concentration, la valeur d'absorbance du chrome est proportionnelle \u00e0 sa teneur, et l'analyse quantitative est effectu\u00e9e par comparaison avec la s\u00e9rie standard.<\/p>\n<ol start=\"2\">\n<li>Champ d'application<\/li>\n<\/ol>\n<p>Sulfur used for various phosphors in the manufacture of TV picture tubes and other cathode ray tubes in the electronics industry.<\/p>\n<ol start=\"3\">\n<li>R\u00e9f\u00e9rences<\/li>\n<\/ol>\n<p>ZB G13 002-1990 Refined Sulfur Powder<\/p>\n<ol start=\"4\">\n<li>Instruments d'essai<\/li>\n<\/ol>\n<p>Spectrophotom\u00e8tre d'absorption atomique de four \u00e0 graphite (lampe \u00e0 cathode creuse au chrome)<\/p>\n<p>Syst\u00e8me d'eau circulante<\/p>","protected":false},"excerpt":{"rendered":"<p>Method Overview After digestion, the sample is atomized in a graphite furnace, and the absorbance is measured at 357.9 nm. Within a certain concentration range, the absorbance value of chromium is proportional to its content, and quantitative analysis is performed by comparison with the standard series. Scope of Application Sulfur used for various phosphors in [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36,73],"tags":[],"class_list":["post-4551","post","type-post","status-publish","format-standard","hentry","category-applications","category-food-and-drugs"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/posts\/4551","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/comments?post=4551"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/posts\/4551\/revisions"}],"predecessor-version":[{"id":4552,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/posts\/4551\/revisions\/4552"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/media?parent=4551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/categories?post=4551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/tags?post=4551"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}