{"id":5203,"date":"2026-09-10T16:23:25","date_gmt":"2026-09-10T08:23:25","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=5203"},"modified":"2026-09-10T16:23:25","modified_gmt":"2026-09-10T08:23:25","slug":"determination-of-iron-in-graphite-powder-flame-atomic-absorption-spectrometry-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/applications\/determination-of-iron-in-graphite-powder-flame-atomic-absorption-spectrometry-2","title":{"rendered":"X\u00e1c \u0111\u1ecbnh s\u1eaft trong b\u1ed9t graphite (quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u1eeda)"},"content":{"rendered":"<p>1. T\u1ed5ng quan v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p Sau khi m\u1eabu \u0111\u01b0\u1ee3c ph\u00e2n h\u1ee7y b\u1eb1ng dung d\u1ecbch aqua regia, ph\u00e9p \u0111o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ng\u1ecdn l\u1eeda kh\u00f4ng kh\u00ed-axetylen \u1edf b\u01b0\u1edbc s\u00f3ng thi\u1ebft b\u1ecb l\u00e0 248,3 nm.<\/p>\n<p>2. Ph\u1ea1m vi \u1ee9ng d\u1ee5ng Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u00e1p d\u1ee5ng cho vi\u1ec7c x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng s\u1eaft trong b\u1ed9t than ch\u00ec.<\/p>\n<p>3. C\u01a1 s\u1edf tham chi\u1ebfu GB\/T 24533\u20112009<\/p>\n<p>4. D\u1ee5ng c\u1ee5 v\u00e0 h\u00f3a ch\u1ea5t<\/p>\n<p>4.1 D\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb<\/p>\n<p>4.1.1 D\u1ee5ng c\u1ee5 th\u1eed nghi\u1ec7m<\/p>\n<table>\n<thead>\n<tr>\n<th>Kh\u00f4ng.<\/th>\n<th>T\u00ean<\/th>\n<th>S\u1ed1 l\u01b0\u1ee3ng<\/th>\n<th>Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/th>\n<th>Ph\u1ee5 ki\u1ec7n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>M\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed ng\u1ecdn l\u1eeda<\/td>\n<td>1 b\u1ed9<\/td>\n<td>\u2014<\/td>\n<td>\u0110\u00e8n cat\u1ed1t r\u1ed7ng b\u1eb1ng s\u1eaft<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Acetylen<\/td>\n<td>1 xi lanh<\/td>\n<td>\u0110\u1ed9 tinh khi\u1ebft \u226599,99%<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>M\u00e1y n\u00e9n kh\u00ed<\/td>\n<td>1 b\u1ed9<\/td>\n<td>\u00c1p su\u1ea5t kh\u00ed th\u1ea3i \u0111\u1ecbnh m\u1ee9c: 0,3 MPa<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>1 Method Overview After the sample is digested with aqua regia, the measurement is performed using an air\u2011acetylene flame at the instrument wavelength of 248.3\u202fnm. 2 Scope of Application This method is applicable to the determination of iron in graphite powder. 3 Reference Basis GB\/T 24533\u20112009 4 Instruments and Reagents 4.1 Instruments and Equipment 4.1.1 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4788,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81,36],"tags":[],"class_list":["post-5203","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\/vi\/wp-json\/wp\/v2\/posts\/5203","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/comments?post=5203"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/5203\/revisions"}],"predecessor-version":[{"id":5204,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/5203\/revisions\/5204"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media\/4788"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=5203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=5203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=5203"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}