{"id":4553,"date":"2026-04-09T14:44:32","date_gmt":"2026-04-09T06:44:32","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4553"},"modified":"2026-04-09T14:44:32","modified_gmt":"2026-04-09T06:44:32","slug":"determination-of-lead-in-biochar-graphite-furnace-atomic-absorption-spectrometry-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/applications\/determination-of-lead-in-biochar-graphite-furnace-atomic-absorption-spectrometry-2\/","title":{"rendered":"X\u00e1c \u0111\u1ecbnh ch\u00ec trong than sinh h\u1ecdc (Graphite Furnace Atomic Absorption Spectrometry)"},"content":{"rendered":"<ol>\n<li>T\u1ed5ng quan ph\u01b0\u01a1ng ph\u00e1p<\/li>\n<\/ol>\n<p>Sau khi x\u1eed l\u00fd m\u1eabu, n\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u1ed9t quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed, nguy\u00ean t\u1eed h\u00f3a v\u00e0 \u0111\u1ed9 h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c \u0111o. Trong m\u1ed9t ph\u1ea1m vi n\u1ed3ng \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 t\u1ef7 l\u1ec7 v\u1edbi h\u00e0m l\u01b0\u1ee3ng ch\u00ec v\u00e0 ph\u00e2n t\u00edch \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch so s\u00e1nh v\u1edbi c\u00e1c chu\u1ed7i ti\u00eau chu\u1ea9n.<\/p>\n<ol start=\"2\">\n<li>D\u1ee5ng c\u1ee5 ki\u1ec3m tra<\/li>\n<\/ol>\n<p>Graphite l\u00f2 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed quang ph\u1ed5 (v\u1edbi \u0111\u00e8n cathode r\u1ed7ng ch\u00ec)<\/p>\n<p>H\u1ec7 th\u1ed1ng n\u01b0\u1edbc tu\u1ea7n ho\u00e0n l\u00e0m m\u00e1t (d\u00f2ng ch\u1ea3y \u0111\u00e1nh gi\u00e1 m\u00e1y b\u01a1m: 3,5 L \/ ph\u00fat)<\/p>","protected":false},"excerpt":{"rendered":"<p>Method Overview After sample treatment, it is introduced into an atomic absorption spectrometer, atomized, and the absorbance is measured. Within a certain concentration range, the absorbance value is proportional to the lead content, and quantitative analysis is performed by comparison with the standard series. Testing Instruments Graphite Furnace Atomic Absorption Spectrophotometer\u00a0(With Lead hollow cathode lamp) [&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":[81,36],"tags":[],"class_list":["post-4553","post","type-post","status-publish","format-standard","hentry","category-petrochemical-and-chemical","category-applications"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4553","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=4553"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4553\/revisions"}],"predecessor-version":[{"id":4554,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4553\/revisions\/4554"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=4553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=4553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=4553"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}