{"id":143362,"date":"1993-01-01T00:00:00","date_gmt":"1993-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/suspensiones-en-espectrometria-de-absorcion-atomica-analisis-de-materiales-con-elevado-contenido-en-silice\/"},"modified":"1993-01-01T00:00:00","modified_gmt":"1993-01-01T00:00:00","slug":"suspensiones-en-espectrometria-de-absorcion-atomica-analisis-de-materiales-con-elevado-contenido-en-silice","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/suspensiones-en-espectrometria-de-absorcion-atomica-analisis-de-materiales-con-elevado-contenido-en-silice\/","title":{"rendered":"Suspensiones en espectrometria de absorcion atomica. analisis de materiales con elevado contenido en silice"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jes\u00fas Arroyo Cortez <\/strong><\/h2>\n<p>Tras un primer capitulo en el que se discute la panoramica general del empleo de suspensiones con fines analiticos en espectrometria de absorcion atomica, se dedica el segundo capitulo a la atomizacion en llama. Se demuestra que las suspensiones preparadas a partir de tierra de diatomeas (kielselgur) y otros materiales con elevado contenido en silice pueden ser atomizados en una llama aire-acetileno, una vez que las muestras son molidas, suspendidas en un medio conteniendo acido fluorhidrico e introducidas en la llama con ayuda de un montaje de analisis por inyeccion en flujo (fia), de esta forma pueden determinarse fe, ca y mg. Se optimiza un procedimiento para la dilucion semiautomatica de las suspensiones, util en aquellos casos en que las concentraciones de los analitos sean elevadas. Se dedica un extenso capitulo a la determinacion de pb, cd, ma, cr, cu y zn en el mismo tipo de materiales por introduccion directa de las suspensiones en un atomizador electrotermico empleando la metodolog\u00eda de programas de calentamiento rapido. El cuarto capitulo aborda la determinacion de trazas de hg o (vapor frio) y de as (hidruro) mediante la generacion de vapores. En todos los casos, la calibracion se efectua frente a estandares acuosos y la validez de los procedimientos se comprueba con el empleo de materiales de certificados de referencia.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Suspensiones en espectrometria de absorcion atomica. analisis de materiales con elevado contenido en silice<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Suspensiones en espectrometria de absorcion atomica. analisis de materiales con elevado contenido en silice <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jes\u00fas Arroyo Cortez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1993<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Manuel Hern\u00e1ndez C\u00f3rdoba<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Concepcion Sanchez-pedre\u00f1o Martinez <\/li>\n<li>Luis Fermin Capitan Vallvey (vocal)<\/li>\n<li>Carlos Mongay Fernandez (vocal)<\/li>\n<li>Rafael Arana Castillo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jes\u00fas Arroyo Cortez Tras un primer capitulo en el que se discute la panoramica general del empleo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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