{"id":5201,"date":"2026-09-10T16:20:53","date_gmt":"2026-09-10T08:20:53","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=5201"},"modified":"2026-09-10T16:20:53","modified_gmt":"2026-09-10T08:20:53","slug":"determination-of-lead-in-graphite-powder-graphite-furnace-atomic-absorption-spectrometry-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/fr\/applications\/determination-of-lead-in-graphite-powder-graphite-furnace-atomic-absorption-spectrometry-2","title":{"rendered":"D\u00e9termination du plomb dans la poudre de graphite (spectrom\u00e9trie d'absorption atomique \u00e0 four \u00e0 graphite)"},"content":{"rendered":"<p>1 Aper\u00e7u de la m\u00e9thode<\/p>\n<p>Apr\u00e8s digestion par micro-ondes, la solution \u00e9chantillon est inject\u00e9e dans le four graphite du spectrophotom\u00e8tre d'absorption atomique. Apr\u00e8s atomisation \u00e9lectrothermique, elle absorbe la raie de r\u00e9sonance \u00e0 283,3 nm. Dans une certaine gamme de concentrations, l'absorbance est proportionnelle \u00e0 la teneur en plomb, et la quantification est effectu\u00e9e par comparaison avec une gamme \u00e9talon.<\/p>\n<p>2. Champ d'application<\/p>\n<p>Cette m\u00e9thode est applicable au dosage du plomb dans la poudre de graphite.<\/p>\n<p>3 Base de r\u00e9f\u00e9rence<\/p>\n<p>GB\/T 24533-2009<\/p>\n<p>4 Instruments et r\u00e9actifs<\/p>\n<p>4.1 Instruments et \u00e9quipements<\/p>\n<p>4.1.1 Instruments de test<\/p>\n<table>\n<thead>\n<tr>\n<th>- Non, non.<\/th>\n<th>Nom<\/th>\n<th>Quantit\u00e9<\/th>\n<th>Exigences techniques<\/th>\n<th>Accessoires<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>Four \u00e0 graphite Spectrophotom\u00e8tre d'absorption atomique<\/td>\n<td>1 ensemble<\/td>\n<td>\u2014<\/td>\n<td>Lampe \u00e0 cathode creuse au plomb<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Argon<\/td>\n<td>1 cylindre<\/td>\n<td>Puret\u00e9 \u226599,99%<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Syst\u00e8me d'eau de refroidissement circulant<\/td>\n<td>1 ensemble<\/td>\n<td>D\u00e9bit nominal de la pompe : 3,5 L\/min<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>1 Method Overview After microwave digestion, the sample solution is injected into the graphite furnace of the atomic absorption spectrophotometer. Following electrothermal atomization, it absorbs the resonance line at 283.3 nm. Within a certain concentration range, the absorbance is proportional to the lead content, and quantification is performed by comparison with the standard series. 2 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5062,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81,36],"tags":[],"class_list":["post-5201","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-petrochemical-and-chemical","category-applications"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/posts\/5201","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=5201"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/posts\/5201\/revisions"}],"predecessor-version":[{"id":5202,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/posts\/5201\/revisions\/5202"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/media\/5062"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/media?parent=5201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/categories?post=5201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/tags?post=5201"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}