{"id":33761,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/separacion-de-los-1-2-piridilazo-2-naftolatos-de-ga-e-in-sobre-diferentes-soportes-solidos-en-muestras-minerales-y-su-determinacion-por-etaas\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"separacion-de-los-1-2-piridilazo-2-naftolatos-de-ga-e-in-sobre-diferentes-soportes-solidos-en-muestras-minerales-y-su-determinacion-por-etaas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/separacion-de-los-1-2-piridilazo-2-naftolatos-de-ga-e-in-sobre-diferentes-soportes-solidos-en-muestras-minerales-y-su-determinacion-por-etaas\/","title":{"rendered":"Separacion de los 1-(2-piridilazo)-2-naftolatos de ga e in sobre diferentes soportes solidos en muestras minerales y su determinacion por etaas."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Martinez Alfonso Nancy Caridad <\/strong><\/h2>\n<p>Dada la alta demanda del galio y del indio en la industria electr\u00f3nica especialmente en la fabricaci\u00f3n de semiconductores, as\u00ed como en la elaboraci\u00f3n de materiales de alta pureza, como cer\u00e1micas superconductoras, celdas fotovoltaicas, etc. Se necesita disponer de m\u00e9todos para la cuantificaci\u00f3n de los mismos en diversas matrices.  la determinaci\u00f3n de ga e in plantea una serie de problemas en la cuantificaci\u00f3n directa de los mismos como son las bajas concentraciones en que se encuentran, la enorme complejidad y diversidad de los materiales naturales y manufacturados, la poca homogeneidad en la distribuci\u00f3n respectiva, la no disponibilidad de materiales de referencia adecuados para la calibraci\u00f3n, as\u00ed como la posibilidad de los mismos de combinarse en m\u00faltiples formas diferentes entre s\u00ed, con propiedades anal\u00edticas semejantes. Esto condiciona en la mayor\u00eda de los casos el empleo de los m\u00e9todos de separaci\u00f3n y concentraci\u00f3n.  de ah\u00ed que el objetivo principal de la tesis doctoral sea el desarrollar m\u00e9todos anal\u00edticos que permitan realizar la determinaci\u00f3n de galio e indio en materiales geol\u00f3gicos y\/o ambientales, utilizando la espectroscop\u00eda de absorci\u00f3n at\u00f3mica con llama y\/o con atomizaci\u00f3n electrot\u00e9rmica con una etapa previa de preconcentraci\u00f3n y\/o separaci\u00f3n.  para cumplir este objetivo se estudi\u00f3 el sistema naftaleno-1(2-piridilazo)-2-naftol (pan) como extrayente, colector y absorbente, as\u00ed como el sistema amberlita xad-2 modificada con pan como absorbente. Se optimiz\u00f3 como m\u00e9todo de determinaci\u00f3n final la espectroscop\u00eda de absorci\u00f3n at\u00f3mica con llama y\/o con atomizaci\u00f3n electrot\u00e9rmica.  los procedimientos h\u00edbridos elaborados se aplicaron a la determinaci\u00f3n de los contenidos de ga e in en muestras geol\u00f3gicas y\/o ambientales con resultados satisfactorios.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Separacion de los 1-(2-piridilazo)-2-naftolatos de ga e in sobre diferentes soportes solidos en muestras minerales y su determinacion por etaas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Separacion de los 1-(2-piridilazo)-2-naftolatos de ga e in sobre diferentes soportes solidos en muestras minerales y su determinacion por etaas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Martinez Alfonso Nancy Caridad <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/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>Pilar Bermejo Barrera<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Manuel Hern\u00e1ndez C\u00f3rdoba <\/li>\n<li>Ana Gutierrez (vocal)<\/li>\n<li>Cristina Diaz Lopez (vocal)<\/li>\n<li> Rivera Santillan Rosa Elva (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Martinez Alfonso Nancy Caridad Dada la alta demanda del galio y del indio en la industria electr\u00f3nica [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[604,17,18,977],"tags":[91823,91824,12757,37464,3260,91825],"class_list":["post-33761","post","type-post","status-publish","format-standard","hentry","category-espectroscopia-de-absorcion","category-quimica","category-quimica-analitica","category-santiago-de-compostela","tag-ana-gutierrez","tag-cristina-diaz-lopez","tag-manuel-hernandez-cordoba","tag-Martinez-alfonso-nancy-caridad","tag-pilar-bermejo-barrera","tag-rivera-santillan-rosa-elva"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/33761","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=33761"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/33761\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=33761"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=33761"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=33761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}