A amostra \u00e9 digerida com \u00e1cido clor\u00eddrico, per\u00f3xido de hidrog\u00eanio e solu\u00e7\u00e3o de \u00e1cido n\u00edtrico. Em meio dilu\u00eddo de \u00e1cido clor\u00eddrico, a absorb\u00e2ncia do ferro \u00e9 medida por chama de ar-acetileno no comprimento de onda de 248,3 nm usando um espectr\u00f4metro de absor\u00e7\u00e3o at\u00f4mica.<\/p>\n
Este m\u00e9todo \u00e9 aplic\u00e1vel para a determina\u00e7\u00e3o de ferro em ligas de zinco.<\/p>\n
GB\/T 12689.5\u20112004 M\u00e9todos de an\u00e1lise qu\u00edmica para zinco e ligas de zinco \u2014 Determina\u00e7\u00e3o do teor de ferro \u2014 Espectrofotometria com \u00e1cido sulfossalic\u00edlico e espectrometria de absor\u00e7\u00e3o at\u00f4mica com chama. M\u00e9todo 2: Espectrometria de absor\u00e7\u00e3o at\u00f4mica em chama<\/strong><\/p>\n 1 Method Overview The sample is digested with hydrochloric acid, hydrogen peroxide and nitric acid solution. In dilute hydrochloric acid medium, the absorbance of iron is measured by air\u2011acetylene flame at the wavelength of 248.3\u202fnm using an atomic absorption spectrometer. 2 Scope of Application This method is applicable for the determination of iron in zinc […]<\/p>\n","protected":false},"author":2,"featured_media":4864,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81,36],"tags":[],"class_list":["post-5278","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\/pt\/wp-json\/wp\/v2\/posts\/5278","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=5278"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/posts\/5278\/revisions"}],"predecessor-version":[{"id":5279,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/posts\/5278\/revisions\/5279"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/media\/4864"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/media?parent=5278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/categories?post=5278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/pt\/wp-json\/wp\/v2\/tags?post=5278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}4. Aparelhos e reagentes<\/h2>\n
4.1 Aparelhos e Equipamentos<\/h3>\n
4.1.1 Instrumentos de teste<\/h4>\n
\n\n
\n \nN\u00e3o.<\/th>\n Nome<\/th>\n Quantidade<\/th>\n Requisitos T\u00e9cnicos<\/th>\n Acess\u00f3rios<\/th>\n<\/tr>\n<\/thead>\n \n 1<\/td>\n Espetrofotometro de absor\u00e7\u00e3o at\u00f4mica de chama<\/td>\n 1 conjunto<\/td>\n \u2014<\/td>\n L\u00e2mpada de c\u00e1todo oco de ferro<\/td>\n<\/tr>\n \n 2<\/td>\n Compressor de ar<\/td>\n 1 conjunto<\/td>\n Press\u00e3o de descarga nominal: 0,3 MPa<\/td>\n \u2014<\/td>\n<\/tr>\n \n 3<\/td>\n Acetileno<\/td>\n 1 cilindro<\/td>\n Pureza \u226599,99%<\/td>\n \u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"