{"id":5199,"date":"2026-09-10T16:17:42","date_gmt":"2026-09-10T08:17:42","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=5199"},"modified":"2026-09-10T16:17:42","modified_gmt":"2026-09-10T08:17:42","slug":"determination-of-sodium-oxide-in-alumina-powder-flame-atomic-absorption-spectrometry","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/es\/applications\/determination-of-sodium-oxide-in-alumina-powder-flame-atomic-absorption-spectrometry","title":{"rendered":"Determinaci\u00f3n de \u00f3xido de sodio en polvo de al\u00famina (espectrometr\u00eda de absorci\u00f3n at\u00f3mica de llama)"},"content":{"rendered":"<h2>1 Descripci\u00f3n general del m\u00e9todo<\/h2>\n<p>La muestra se calienta y disuelve en un vaso de precipitados de cuarzo con \u00e1cido sulf\u00farico fosf\u00f3rico mezclado. Mediante una llama de aire-acetileno, se mide la absorbancia del \u00f3xido de sodio a 589,0 nm en un espectrofot\u00f3metro de absorci\u00f3n at\u00f3mica. Dentro de un cierto rango de concentraci\u00f3n, la absorbancia del sodio es proporcional a su contenido, y la cuantificaci\u00f3n se realiza por comparaci\u00f3n con una serie est\u00e1ndar.<\/p>\n<h2>2 \u00c1mbito de aplicaci\u00f3n<\/h2>\n<p>Este m\u00e9todo es aplicable a la determinaci\u00f3n del contenido de \u00f3xido de sodio en polvo de al\u00famina.<\/p>\n<h2>3 Base de referencia<\/h2>\n<p>GB\/T 6609.5-2004, M\u00e9todos para el an\u00e1lisis qu\u00edmico y la determinaci\u00f3n de las propiedades f\u00edsicas de la al\u00famina \u2014 Determinaci\u00f3n del contenido de \u00f3xido de sodio, M\u00e9todo 2<\/p>\n<h2>4. Instrumentos y reactivos<\/h2>\n<h3><strong><b>4.1 Instrumentos y equipos<\/b><\/strong><\/h3>\n<h4><strong><b>4.1.1 Instrumentos de ensayo<\/b><\/strong><\/h4>\n<table>\n<tbody>\n<tr>\n<td><strong><b>\u00a1No! No!<\/b><\/strong><\/td>\n<td><strong><b>Nombre<\/b><\/strong><\/td>\n<td><strong><b>Cantidad<\/b><\/strong><\/td>\n<td><strong><b>Requisito t\u00e9cnico<\/b><\/strong><\/td>\n<td><strong><b>Accesorios<\/b><\/strong><\/td>\n<\/tr>\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 sodio<\/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 sample is heated and dissolved in a quartz beaker with mixed sulfuric\u001ephosphoric acid. Using an air\u001eacetylene flame, the absorbance of sodium oxide is measured at 589.0 nm on an atomic absorption spectrophotometer. Within a certain concentration range, the absorbance of sodium is proportional to its content, and quantification is carried out [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4824,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81,36],"tags":[],"class_list":["post-5199","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\/5199","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=5199"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/5199\/revisions"}],"predecessor-version":[{"id":5200,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/5199\/revisions\/5200"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/media\/4824"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/media?parent=5199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/categories?post=5199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/tags?post=5199"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}