{"id":4549,"date":"2026-04-09T14:33:22","date_gmt":"2026-04-09T06:33:22","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4549"},"modified":"2026-04-09T14:33:22","modified_gmt":"2026-04-09T06:33:22","slug":"determination-of-lead-in-soil-by-graphite-furnace-atomic-absorption-spectrometry-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/applications\/determination-of-lead-in-soil-by-graphite-furnace-atomic-absorption-spectrometry-2\/","title":{"rendered":"X\u00e1c \u0111\u1ecbnh ch\u00ec trong \u0111\u1ea5t b\u1eb1ng quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u00f2 Graphite"},"content":{"rendered":"<ol>\n<li>T\u1ed5ng quan ph\u01b0\u01a1ng ph\u00e1p<\/li>\n<\/ol>\n<p>Ph\u01b0\u01a1ng ph\u00e1p ti\u00eau h\u00f3a ho\u00e0n to\u00e0n v\u1edbi axit hydrochloric-axit nitric-axit hydrofluoric-axit perchloric \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 ph\u00e1 h\u1ee7y ho\u00e0n to\u00e0n l\u01b0\u1edbi kho\u00e1ng ch\u1ea5t c\u1ee7a \u0111\u1ea5t, \u0111\u1ec3 c\u00e1c y\u1ebfu t\u1ed1 \u0111\u01b0\u1ee3c \u0111o trong m\u1eabu \u0111\u1ec1u \u0111i v\u00e0o dung d\u1ecbch th\u1eed nghi\u1ec7m. Sau \u0111\u00f3, dung d\u1ecbch th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u00eam v\u00e0o l\u00f2 graphite. Th\u00f4ng qua s\u1ea5y kh\u00f4, tro, nguy\u00ean t\u1eed h\u00f3a v\u00e0 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh s\u01b0\u1edfi \u1ea5m kh\u00e1c, c\u00e1c th\u00e0nh ph\u1ea7n ma tr\u1eadn \u0111\u1ed3ng t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3c bay h\u01a1i v\u00e0 lo\u1ea1i b\u1ecf. \u0110\u1ed3ng th\u1eddi, d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 cao trong giai \u0111o\u1ea1n nguy\u00ean t\u1eed h\u00f3a, c\u00e1c h\u1ee3p ch\u1ea5t ch\u00ec \u0111\u01b0\u1ee3c t\u00e1ch ra th\u00e0nh h\u01a1i n\u01b0\u1edbc nguy\u00ean t\u1eed, t\u1ea1o ra s\u1ef1 h\u1ea5p th\u1ee5 ch\u1ecdn l\u1ecdc c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng ph\u1ed5 \u0111\u1eb7c tr\u01b0ng \u0111\u01b0\u1ee3c ph\u00e1t ra b\u1edfi \u0111\u00e8n cathode r\u1ed7ng. Trong \u0111i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh t\u1ed1i \u01b0u \u0111\u01b0\u1ee3c ch\u1ecdn, \u0111\u1ed9 h\u1ea5p th\u1ee5 ch\u00ec trong dung d\u1ecbch th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh n\u1ec1n.<\/p>\n<ol start=\"2\">\n<li>Ph\u1ea1m vi \u1ee9ng d\u1ee5ng<\/li>\n<\/ol>\n<p>X\u00e1c \u0111\u1ecbnh ch\u00ec trong \u0111\u1ea5t<\/p>\n<ol start=\"3\">\n<li>C\u00e1c t\u00e0i li\u1ec7u tham kh\u1ea3o<\/li>\n<\/ol>\n<p>Ph\u01b0\u01a1ng ph\u00e1p ti\u00eau h\u00f3a: GB \/ T 17141-1997;  HJ 832-2017<\/p>\n<ol start=\"4\">\n<li>D\u1ee5ng c\u1ee5 ph\u00e1t hi\u1ec7n<\/li>\n<\/ol>\n<p>L\u00f2 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed Graphite Spectrophotometer (\u0110\u00e8n cathode r\u1ed7ng ch\u00ec)<\/p>","protected":false},"excerpt":{"rendered":"<p>Method Overview The method of complete digestion with hydrochloric acid-nitric acid-hydrofluoric acid-perchloric acid is adopted to completely destroy the mineral lattice of the soil, so that the elements to be measured in the sample all enter the test solution. Then, the test solution is injected into the graphite furnace. Through the preset drying, ashing, atomization [&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":[36,75],"tags":[],"class_list":["post-4549","post","type-post","status-publish","format-standard","hentry","category-applications","category-environment"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4549","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=4549"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4549\/revisions"}],"predecessor-version":[{"id":4550,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4549\/revisions\/4550"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=4549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=4549"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=4549"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}