{"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\/pt\/applications\/determination-of-lead-in-soil-by-graphite-furnace-atomic-absorption-spectrometry-2\/","title":{"rendered":"Determina\u00e7\u00e3o do chumbo no solo pela espectrometria de absor\u00e7\u00e3o at\u00f4mica do forno de grafito"},"content":{"rendered":"<ol>\n<li>Vista geral dos m\u00e9todos<\/li>\n<\/ol>\n<p>O m\u00e9todo de digest\u00e3o completa com \u00e1cido hidrocl\u00f3rico-\u00e1cido n\u00edtrico-\u00e1cido hidrofluorico-\u00e1cido perchl\u00f3rico \u00e9 adotado para destruir completamente a lattice mineral do solo, de modo que os elementos a medir na amostra todos entram na solu\u00e7\u00e3o de teste. Ent\u00e3o, a solu\u00e7\u00e3o de teste \u00e9 injetada no forno de grafito. atrav\u00e9s dos pr\u00e9-definidos programas de secagem, cinzas, atomiza\u00e7\u00e3o e outros programas de aquecimento, os componentes da matriz coexistente s\u00e3o evaporados e removidos. Ao mesmo tempo, sob a alta temperatura no est\u00e1gio da atomiza\u00e7\u00e3o, os compostos de chumbo s\u00e3o dissociados em vapor at\u00f4mico, o que produz absor\u00e7\u00e3o seletiva das linhas espectrais caracter\u00edsticas emitidas pela l\u00e2mpada cat\u00f3dica vazia. Sob as condi\u00e7\u00f5es de determina\u00e7\u00e3o \u00f3ptima selecionadas, a absorp\u00e7\u00e3o de chumbo na solu\u00e7\u00e3o de ensaio \u00e9 determinada pela corre\u00e7\u00e3o de fundo.<\/p>\n<ol start=\"2\">\n<li>\u00c1mbito de aplica\u00e7\u00e3o<\/li>\n<\/ol>\n<p>Determination of Lead in Soil<\/p>\n<ol start=\"3\">\n<li>Refer\u00eancias<\/li>\n<\/ol>\n<p>Digestion Methods: GB\/T 17141-1997; HJ 832-2017<\/p>\n<ol start=\"4\">\n<li>Detection Instruments<\/li>\n<\/ol>\n<p>Espetrofotometro de Absor\u00e7\u00e3o At\u00f4mica do Furno de Graf\u00edto<\/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\/pt\/wp-json\/wp\/v2\/posts\/4549","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/comments?post=4549"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/posts\/4549\/revisions"}],"predecessor-version":[{"id":4550,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/posts\/4549\/revisions\/4550"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/media?parent=4549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/categories?post=4549"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/tags?post=4549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}