{"id":5214,"date":"2026-09-10T16:44:35","date_gmt":"2026-09-10T08:44:35","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=5214"},"modified":"2026-09-10T16:44:35","modified_gmt":"2026-09-10T08:44:35","slug":"determination-of-potassium-oxide-in-alumina-powder-flame-atomic-absorption-spectrometry-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/es\/applications\/determination-of-potassium-oxide-in-alumina-powder-flame-atomic-absorption-spectrometry-2","title":{"rendered":"Determinaci\u00f3n del \u00f3xido de potasio en polvo de al\u00famina (espectrometr\u00eda de absorci\u00f3n at\u00f3mica de llama)"},"content":{"rendered":"<p>1 Descripci\u00f3n general del m\u00e9todo<br \/>\nLa muestra se calienta y disuelve en un vaso de precipitados de cuarzo con una mezcla de \u00e1cido sulf\u00farico y fosf\u00f3rico. Tras diluirla con agua, se mide la absorbancia del potasio a una longitud de onda de 766,5 nm en un espectrofot\u00f3metro de absorci\u00f3n at\u00f3mica con llama de aire-acetileno. Dentro de un determinado rango de concentraci\u00f3n, la absorbancia del potasio es proporcional a su concentraci\u00f3n, y la cuantificaci\u00f3n se realiza por comparaci\u00f3n con una serie est\u00e1ndar.<\/p>\n<p>2 \u00c1mbito de aplicaci\u00f3n<br \/>\nEste m\u00e9todo es aplicable a la determinaci\u00f3n del contenido de \u00f3xido de potasio en polvo de al\u00famina.<\/p>\n<p>3 Base de referencia<br \/>\nGB\/T 6609.6\u20112018, M\u00e9todos para el an\u00e1lisis qu\u00edmico y el ensayo de propiedades f\u00edsicas de la al\u00famina \u2014 Parte 6: Determinaci\u00f3n del contenido de \u00f3xido de potasio<\/p>\n<p>4. Instrumentos y reactivos<\/p>\n<p>4.1 Instrumentos y equipos<\/p>\n<p>4.1.1 Instrumentos de ensayo<\/p>\n<table>\n<thead>\n<tr>\n<th>\u00a1No! No!<\/th>\n<th>Nombre<\/th>\n<th>Cantidad<\/th>\n<th>Requisito t\u00e9cnico<\/th>\n<th>Accesorios<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>Espectrofot\u00f3metro de absorci\u00f3n at\u00f3mica (TAS-990)<\/td>\n<td>1 conjunto<\/td>\n<td>\u2014<\/td>\n<td>L\u00e1mpara de c\u00e1todo hueco de potasio<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Compresor de aire<\/td>\n<td>1 conjunto<\/td>\n<td>Presi\u00f3n nominal de escape: 0,3 MPa<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Acetileno<\/td>\n<td>1 cilindro<\/td>\n<td>Pureza \u226599,99%<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>1 Method Overview The test portion is heated and dissolved in a quartz beaker with mixed sulfuric\u2011phosphoric acid. After dilution with water, the absorbance of potassium is measured at a wavelength of 766.5\u202fnm on an atomic absorption spectrophotometer using an air\u2011acetylene flame. Within a certain concentration range, the absorbance of potassium is proportional to its [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4907,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81,36],"tags":[],"class_list":["post-5214","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\/es\/wp-json\/wp\/v2\/posts\/5214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/comments?post=5214"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/5214\/revisions"}],"predecessor-version":[{"id":5215,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/5214\/revisions\/5215"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/media\/4907"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/media?parent=5214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/categories?post=5214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/tags?post=5214"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}