{"id":5205,"date":"2026-09-10T16:28:20","date_gmt":"2026-09-10T08:28:20","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=5205"},"modified":"2026-09-10T16:28:20","modified_gmt":"2026-09-10T08:28:20","slug":"determination-of-chromium-in-refined-sulfur-graphite-furnace-atomic-absorption-spectrometry-4","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/es\/applications\/determination-of-chromium-in-refined-sulfur-graphite-furnace-atomic-absorption-spectrometry-4","title":{"rendered":"Determinaci\u00f3n del cromo en azufre refinado (espectrometr\u00eda de absorci\u00f3n at\u00f3mica en horno de grafito)"},"content":{"rendered":"<p>1. Resumen del m\u00e9todo<br \/>\nTras el tratamiento de digesti\u00f3n de la muestra, esta se atomiza en un horno de grafito y se mide su absorbancia a 357,9 nm. Dentro de un determinado rango de concentraci\u00f3n, la absorbancia del cromo es proporcional a su contenido, 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 se aplica al azufre utilizado para diversos f\u00f3sforos en la fabricaci\u00f3n de tubos de imagen para televisores y otros tubos de rayos cat\u00f3dicos en la industria electr\u00f3nica.<\/p>\n<p>3. Base de referencia<br \/>\nZB G13 002\u20111990, Azufre en polvo refinado<\/p>\n<p>4. Instrumentos y reactivos<\/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 del horno de grafito<\/td>\n<td>1 conjunto<\/td>\n<td>\u2014<\/td>\n<td>L\u00e1mpara de c\u00e1todo hueco de cromo<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Sistema de refrigeraci\u00f3n por agua circulante<\/td>\n<td>1 conjunto<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Arg\u00f3n<\/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 sample digestion treatment, the sample is atomized in a graphite furnace, and the absorbance is measured at 357.9\u202fnm. Within a certain concentration range, the absorbance of chromium is proportional to its content, and quantification is performed by comparison with the standard series. 2. Scope of Application This method applies to sulfur [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5206,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81,36],"tags":[],"class_list":["post-5205","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\/5205","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=5205"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/5205\/revisions"}],"predecessor-version":[{"id":5207,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/5205\/revisions\/5207"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/media\/5206"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/media?parent=5205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/categories?post=5205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/tags?post=5205"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}