{"id":5211,"date":"2026-09-10T16:40:05","date_gmt":"2026-09-10T08:40:05","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=5211"},"modified":"2026-09-10T16:40:05","modified_gmt":"2026-09-10T08:40:05","slug":"determination-of-calcium-in-milk-powder-flame-atomic-absorption-spectrometry-3","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/es\/applications\/determination-of-calcium-in-milk-powder-flame-atomic-absorption-spectrometry-3","title":{"rendered":"Determinaci\u00f3n del calcio en leche en polvo (espectrometr\u00eda de absorci\u00f3n at\u00f3mica de llama)"},"content":{"rendered":"<p>1 Descripci\u00f3n general del m\u00e9todo<br \/>\nTras la digesti\u00f3n de la muestra, se a\u00f1ade una soluci\u00f3n de lantano como agente desmoldante. La muestra se atomiza en una llama de absorci\u00f3n at\u00f3mica y se mide la absorbancia a 422,7 nm. Dentro de un determinado rango de concentraci\u00f3n, la absorbancia es proporcional al contenido de calcio, y la cuantificaci\u00f3n se realiza por comparaci\u00f3n con la serie est\u00e1ndar.<\/p>\n<p>2 \u00c1mbito de aplicaci\u00f3n<br \/>\nEste m\u00e9todo es aplicable a la determinaci\u00f3n de calcio en leche en polvo.<\/p>\n<p>3 Base de referencia<br \/>\nGB 5009.92\u20112016, Norma Nacional de Seguridad Alimentaria \u2014 Determinaci\u00f3n de calcio en alimentos<\/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 de llama<\/td>\n<td>1 conjunto<\/td>\n<td>\u2014<\/td>\n<td>L\u00e1mpara de c\u00e1todo hueco de calcio<\/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 After the sample is digested, lanthanum solution is added as a releasing agent. The sample is atomized in an atomic\u2011absorption flame, and the absorbance is measured at 422.7\u202fnm. Within a certain concentration range, the absorbance is proportional to the calcium content, and quantification is performed by comparison with the standard series. 2 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5212,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36,73],"tags":[],"class_list":["post-5211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-applications","category-food-and-drugs"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/5211","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=5211"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/5211\/revisions"}],"predecessor-version":[{"id":5213,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/5211\/revisions\/5213"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/media\/5212"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/media?parent=5211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/categories?post=5211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/tags?post=5211"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}