{"id":4481,"date":"2026-03-16T10:27:38","date_gmt":"2026-03-16T02:27:38","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4481"},"modified":"2026-03-16T10:27:38","modified_gmt":"2026-03-16T02:27:38","slug":"determination-of-calcium-in-milk-powder-flame-atomic-absorption-spectrometry-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/es\/applications\/food-and-drugs\/determination-of-calcium-in-milk-powder-flame-atomic-absorption-spectrometry-2","title":{"rendered":"Determinaci\u00f3n del calcio en leche en polvo &#8211; Espectrometr\u00eda de absorci\u00f3n at\u00f3mica de llama"},"content":{"rendered":"<ol>\n<li>Descripci\u00f3n general del m\u00e9todo<\/li>\n<\/ol>\n<p>Despu\u00e9s de digerir la muestra, se a\u00f1ade soluci\u00f3n de lantano como agente liberador. La muestra se atomiza mediante llama en un espectr\u00f3metro de absorci\u00f3n at\u00f3mica, y la absorbancia se mide a 422,7 nm. Dentro de un cierto intervalo de concentraci\u00f3n, la absorbancia es directamente proporcional al contenido de calcio, y la cuantificaci\u00f3n se realiza mediante comparaci\u00f3n con una serie est\u00e1ndar.<\/p>\n<ol start=\"2\">\n<li>\u00c1mbito de aplicaci\u00f3n<\/li>\n<\/ol>\n<p>Determinaci\u00f3n del calcio en leche en polvo.<\/p>\n<ol start=\"3\">\n<li>Referencias<\/li>\n<\/ol>\n<p>GB 5009.92-2016 Est\u00e1ndar Nacional de Seguridad Alimentaria &#8211; Determinaci\u00f3n del calcio en los alimentos.<\/p>\n<ol start=\"4\">\n<li>Instrumentos de prueba<\/li>\n<\/ol>\n<p>\u00b7 Espectrofot\u00f3metro de absorci\u00f3n at\u00f3mica de llama (incluye l\u00e1mpara cat\u00f3dica hueca de calcio)<\/p>\n<p>\u00b7 Compresor de aire (presi\u00f3n nominal de descarga: 0.3MPa)<\/p>\n<p>\u00b7 Gas de acetileno (pureza del cilindro\u2265 99,99%)<\/p>","protected":false},"excerpt":{"rendered":"<p>Method Overview After the sample is digested, lanthanum solution is added as a releasing agent. The sample is atomized by flame in an atomic absorption spectrometer, and the absorbance is measured at 422.7nm. Within a certain concentration range, the absorbance is directly proportional to the calcium content, and quantification is performed by comparison with a [&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":[73],"tags":[],"class_list":["post-4481","post","type-post","status-publish","format-standard","hentry","category-food-and-drugs"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/4481","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=4481"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/4481\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/media?parent=4481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/categories?post=4481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/tags?post=4481"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}