{"id":5201,"date":"2026-09-10T16:20:53","date_gmt":"2026-09-10T08:20:53","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=5201"},"modified":"2026-09-10T16:20:53","modified_gmt":"2026-09-10T08:20:53","slug":"determination-of-lead-in-graphite-powder-graphite-furnace-atomic-absorption-spectrometry-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/es\/applications\/determination-of-lead-in-graphite-powder-graphite-furnace-atomic-absorption-spectrometry-2","title":{"rendered":"Determinaci\u00f3n del plomo en polvo de grafito (espectrometr\u00eda de absorci\u00f3n at\u00f3mica en horno de grafito)"},"content":{"rendered":"<p>1 Descripci\u00f3n general del m\u00e9todo<\/p>\n<p>Tras la digesti\u00f3n por microondas, la soluci\u00f3n de muestra se inyecta en el horno de grafito del espectrofot\u00f3metro de absorci\u00f3n at\u00f3mica. Despu\u00e9s de la atomizaci\u00f3n electrot\u00e9rmica, absorbe la l\u00ednea de resonancia a 283,3 nm. Dentro de un cierto rango de concentraci\u00f3n, la absorbancia es proporcional al contenido de plomo, y la cuantificaci\u00f3n se realiza por comparaci\u00f3n con una serie est\u00e1ndar.<\/p>\n<p>2 \u00c1mbito de aplicaci\u00f3n<\/p>\n<p>Este m\u00e9todo es aplicable a la determinaci\u00f3n de plomo en polvo de grafito.<\/p>\n<p>3 Base de referencia<\/p>\n<p>GB\/T 24533-2009<\/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 del horno de grafito<\/td>\n<td>1 conjunto<\/td>\n<td>\u2014<\/td>\n<td>L\u00e1mpara de c\u00e1todo hueco de plomo<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Arg\u00f3n<\/td>\n<td>1 cilindro<\/td>\n<td>Pureza \u226599,99%<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Sistema de agua de enfriamiento circulante<\/td>\n<td>1 conjunto<\/td>\n<td>Caudal nominal de la bomba: 3,5 L\/min<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>1 Method Overview After microwave digestion, the sample solution is injected into the graphite furnace of the atomic absorption spectrophotometer. Following electrothermal atomization, it absorbs the resonance line at 283.3 nm. Within a certain concentration range, the absorbance is proportional to the lead content, and quantification is performed by comparison with the standard series. 2 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5062,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81,36],"tags":[],"class_list":["post-5201","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\/5201","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=5201"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/5201\/revisions"}],"predecessor-version":[{"id":5202,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/posts\/5201\/revisions\/5202"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/media\/5062"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/media?parent=5201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/categories?post=5201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/es\/wp-json\/wp\/v2\/tags?post=5201"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}