{"id":4475,"date":"2026-03-16T10:22:51","date_gmt":"2026-03-16T02:22:51","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4475"},"modified":"2026-03-16T10:22:51","modified_gmt":"2026-03-16T02:22:51","slug":"application-case-of-a500-zeeman-atomic-absorption-spectrophotometer-determination-of-sodium-content-in-methanol","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/pt\/applications\/petrochemical-and-chemical\/application-case-of-a500-zeeman-atomic-absorption-spectrophotometer-determination-of-sodium-content-in-methanol","title":{"rendered":"Application Case of A500 Zeeman Atomic Absorption Spectrophotometer: Determination of Sodium Content in Methanol"},"content":{"rendered":"<p>Durante a produ\u00e7\u00e3o de metanol, o monitoramento e o controle do conte\u00fado de s\u00f3dio desempenham um papel fundamental na garantia da qualidade do produto. Como um elemento metal facilmente ionizado, o s\u00f3dio, mesmo presente em n\u00edveis de tra\u00e7os no metanol, pode exercer efeitos adversos significativos em sua armazenagem, transporte, processamento subsequente e desempenho do produto final.<\/p>\n<p>Para esse efeito, um m\u00e9todo direto de dilui\u00e7\u00e3o de \u00e1gua \u00e9 adotado para o pr\u00e9-tratamento de amostras de metanol neste estudo. O conte\u00fado de s\u00f3dio \u00e9 determinado usando um espectrofotom\u00e9tro de absor\u00e7\u00e3o at \u00f4mica equipado com corre\u00e7\u00e3o de fundo Zeeman na linha sens\u00edvel secund\u00e1ria de 330,2 nm, de modo a assegurar a precis\u00e3o dos resultados dos testes e satisfazer os requisitos de controle de qualidade.<\/p>\n<ol>\n<li>Instrumentos e reagentes<\/li>\n<\/ol>\n<p>Instrumentos: A500G Zeeman Graphite Furnace Absorption Atomic Spectrophotometer<\/p>\n<p>Reagentes, \u00e1gua<\/p>\n<p>Materiales de Refer\u00eancia: GSB 04-1738-2004 Solu\u00e7\u00e3o Standard de Elemento \u00danico de S\u00f3dio<\/p>","protected":false},"excerpt":{"rendered":"<p>During the production of methanol, the monitoring and control of sodium content play a key role in ensuring product quality. As an easily ionized metal element, sodium, even present at trace levels in methanol, may exert significant adverse effects on its storage, transportation, subsequent processing, and final product performance. For this purpose, a direct water [&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],"tags":[],"class_list":["post-4475","post","type-post","status-publish","format-standard","hentry","category-petrochemical-and-chemical"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/posts\/4475","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=4475"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/posts\/4475\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/media?parent=4475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/categories?post=4475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/tags?post=4475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}