{"id":71278,"date":"2018-03-09T23:15:55","date_gmt":"2018-03-09T23:15:55","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/metodologias-analiticas-para-la-determinacion-de-metales-en-suspensiones-de-muestras-solidas-por-espectrometria-atomica\/"},"modified":"2018-03-09T23:15:55","modified_gmt":"2018-03-09T23:15:55","slug":"metodologias-analiticas-para-la-determinacion-de-metales-en-suspensiones-de-muestras-solidas-por-espectrometria-atomica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/metodologias-analiticas-para-la-determinacion-de-metales-en-suspensiones-de-muestras-solidas-por-espectrometria-atomica\/","title":{"rendered":"Metodolog\u00edas analiticas para la determinacion de metales en suspensiones de muestras solidas por espectrometria atomica"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Monica Felipe Sotelo <\/strong><\/h2>\n<p>El objetivo principal de esta tesis doctoral es el estudio y desarrollo de m\u00e9todos basados en el an\u00e1lisis directo de sus suspensiones para la determinaci\u00f3n de metales en muestras complejas.  para ello se evalu\u00f3 la viabilidad del an\u00e1lisis directo de suspensiones para la determinaci\u00f3n de cobalto, niquel, cromo, molibnedo y vanadio en muestras de inter\u00e9s ambiental (carb\u00f3n, cenizas, suelos, sedimentos y particulado atmosf\u00e9rico) mediante la t\u00e9cnica de espectrometr\u00eda de absorci\u00f3n at\u00f3mica con atomizaci\u00f3n electrot\u00e9rmica (etaas) empleando la agitaci\u00f3n ultras\u00f3nica.  se plantearon distintas soluciones en funci\u00f3n de los problemas particulares que presentaban estas matrices complejas:  &#8211; con objeto de abarcar el amplio rango de concentraciones de ciertos analitos se ensay\u00f3: (i) el empleo de longitudes de onda alternativas y (ii) la introducci\u00f3n de un flujo de gas inerte (ar) en la etapa de atomizaci\u00f3n.  &#8211; en el caso concreto del carb\u00f3n, su particular naturaleza hizo necesario buscar condiciones adecuadas para la destrucci\u00f3n de su elevado contenido en materia org\u00e1nica; (i) empleo de reactivos con alto poder oxidante en la fase l\u00edquida de las suspensiones, (ii) utilizaci\u00f3n de corriente de aire sint\u00e9tico durante la etapa de calcinaci\u00f3n en el atomizador y (iii) calcinaci\u00f3n previa de las muestras para la preparaci\u00f3n de las suspensiones.  para intentar solventar los posibles inconvenientes del an\u00e1lisis directo de suspensiones se plante\u00f3 como alternativa el an\u00e1lisis de la fase l\u00edquida de las suspensiones mediante etaas. Tambi\u00e9n se aplic\u00f3 a la determinaci\u00f3n del cobalto, n\u00edquel, cromo, molibdeno y vanadio en las diferentes matrices. se evaluaron distintas mezclas extractantes as\u00ed como la agitaci\u00f3n ultras\u00f3nica con sonda o ba\u00f1o para favorecer dicha extracci\u00f3n. Debido a la complejidad de estos estudios se aplicaron dise\u00f1os de experiencias para identificar las variables cr\u00edticas, las cuales se optimizar\u00e1n mediante e<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Metodolog\u00edas analiticas para la determinacion de metales en suspensiones de muestras solidas por espectrometria atomica<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Metodolog\u00edas analiticas para la determinacion de metales en suspensiones de muestras solidas por espectrometria atomica <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Monica Felipe Sotelo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 A coru\u00f1a<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/11\/2004<\/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>Dario Prada Rodriguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Rius ferrus francesc xavier <\/li>\n<li>j. Hill steven (vocal)<\/li>\n<li>Manuel Hern\u00e1ndez c\u00f3rdoba (vocal)<\/li>\n<li>Antonio Moreda pi\u00f1eiro (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Monica Felipe Sotelo El objetivo principal de esta tesis doctoral es el estudio y desarrollo de m\u00e9todos [&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":[18576,3148,604,28949,1477,126,17,18],"tags":[35110,2900,155375,12757,155374,47081],"class_list":["post-71278","post","type-post","status-publish","format-standard","hentry","category-a-coruna","category-analisis-multivariante","category-espectroscopia-de-absorcion","category-espectroscopia-de-masas","category-estadistica","category-matematicas","category-quimica","category-quimica-analitica","tag-antonio-moreda-pineiro","tag-dario-prada-rodriguez","tag-j-hill-steven","tag-manuel-hernandez-cordoba","tag-monica-felipe-sotelo","tag-rius-ferrus-francesc-xavier"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/71278","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=71278"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/71278\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=71278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=71278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=71278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}