{"id":4652,"date":"2026-06-04T15:44:11","date_gmt":"2026-06-04T07:44:11","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4652"},"modified":"2026-06-04T15:44:11","modified_gmt":"2026-06-04T07:44:11","slug":"determination-of-copper-in-graphite-powder-flame-atomic-absorption-spectrometry-3","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/applications\/determination-of-copper-in-graphite-powder-flame-atomic-absorption-spectrometry-3","title":{"rendered":"X\u00e1c \u0111\u1ecbnh \u0111\u1ed3ng trong b\u1ed9t graphite (quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u1eeda)"},"content":{"rendered":"<p>1. T\u00f3m t\u1eaft ph\u01b0\u01a1ng ph\u00e1p<\/p>\n<p>M\u1eabu \u0111\u01b0\u1ee3c ph\u00e2n h\u1ee7y b\u1eb1ng dung d\u1ecbch aqua regia, v\u00e0 ph\u00e9p x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng ng\u1ecdn l\u1eeda kh\u00f4ng kh\u00ed-axetylen \u1edf b\u01b0\u1edbc s\u00f3ng 324,7 nm.<\/p>\n<p>2. Ph\u1ea1m vi \u00e1p d\u1ee5ng<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed3ng trong b\u1ed9t than ch\u00ec.<\/p>\n<p>3 Ti\u00eau chu\u1ea9n tham chi\u1ebfu<\/p>\n<p>GB\/T 24533-2009<\/p>\n<p>4 D\u1ee5ng c\u1ee5 th\u1eed nghi\u1ec7m<\/p>\n<p>\u2022 M\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed ng\u1ecdn l\u1eeda (1 chi\u1ebfc) \u0110\u00e8n cat\u1ed1t r\u1ed7ng b\u1eb1ng \u0111\u1ed3ng<\/p>","protected":false},"excerpt":{"rendered":"<p>1 Method Summary The sample is digested with aqua regia, and the determination is performed with air\u2011acetylene flame at the wavelength of 324.7 nm. 2 Scope of Application This method is used for the determination of copper in graphite powder. 3 Reference Standard GB\/T 24533-2009 4 Testing Instruments \u00b7 Flame Atomic Absorption Spectrophotometer 1 unit [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4607,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81,36],"tags":[],"class_list":["post-4652","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\/4652","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=4652"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4652\/revisions"}],"predecessor-version":[{"id":4653,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4652\/revisions\/4653"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media\/4607"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=4652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=4652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=4652"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}