{"id":16773,"date":"2002-08-05T00:00:00","date_gmt":"2002-08-05T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/determinacion-directa-de-antimonio-en-suspensiones-de-muestras-solidas-de-interes-ambiental-por-espectroscopa%c2%ada-de-absorcion-atomica\/"},"modified":"2002-08-05T00:00:00","modified_gmt":"2002-08-05T00:00:00","slug":"determinacion-directa-de-antimonio-en-suspensiones-de-muestras-solidas-de-interes-ambiental-por-espectroscopa%c2%ada-de-absorcion-atomica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/determinacion-directa-de-antimonio-en-suspensiones-de-muestras-solidas-de-interes-ambiental-por-espectroscopa%c2%ada-de-absorcion-atomica\/","title":{"rendered":"Determinaci\u00f3n directa de antimonio en suspensiones de muestras s\u00f3lidas de inter\u00e9s ambiental por espectroscop\u00edade absorci\u00f3n at\u00f3mica"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Cal Prieto M. Jes\u00fas <\/strong><\/h2>\n<p>Los objetivos bajos los cuales se desarrolla el trabajo de investigaci\u00f3n que constituye la tesis doctoral fueron principalmente dos:  a,- el desarrollo de nuevas metodolog\u00edas para la determinaci\u00f3n de antimonio basadas en el an\u00e1lisis directo de suspensiones por espectroscop\u00eda de absorci\u00f3n at\u00f3mica en muestras s\u00f3lidas de inter\u00e9s ambiental.  b,- la aplicaci\u00f3n de la metodolog\u00eda seleccionadas a la determinaci\u00f3n directa de antimonio de diversas muestras de inter\u00e9s ambiental.  la primera metodolog\u00eda desarrollada se basa en el an\u00e1lisis directo de suspensiones agitadas  ultras\u00f3nicamente por etaas. La sonda de agitaci\u00f3n ultras\u00f3nica result\u00f3 ser un m\u00e9todos eficaz para conseguir la estabilidad y homogenizaci\u00f3n de la suspensi\u00f3n. Tras el estudio de la etapa de preparaci\u00f3n de la suspensi\u00f3n y detrminaci\u00f3n de sb por etaas, se concluy\u00f3 que el m\u00e9todos desarrollado es exacto para el an\u00e1lisis de muestras de suelos, sedimentos, cenizas, escorias y carbones, previa calcinaci\u00f3n de la muestra, en un rango de concentraciones que se extiende hasta 200 ppm gracias al empleo de una longitud de onda alternativa de 231.2nm.  con objeto de solventar algunos de los inconvenientes del an\u00e1lisis directo de suspensiones, se desarroll\u00f3 una segunda metodolog\u00eda basada en el an\u00e1lisis directo de la fase l\u00edquida de la suspensi\u00f3n por etaas. De todos los extractantes estudiados s\u00f3lo el hf (20% v\/v) consigui\u00f3 una extracci\u00f3n cuantitativa del antimonio en suspensiones de suelos y sedimentos. No obstante, el riesgo del manejo de este reactivo y la incompatibilidad con ciertos sistemas de agitaci\u00f3n, no hacen atractiva ni ventajosa esta alternativa de an\u00e1lisis. en un intento de extender la aplicabilidad de esta metodolog\u00eda a muestras con altos contenidos en materia org\u00e1nica, ninguna de las mezclas ensayadas en combinaci\u00f3n con diversos sistemas de agitaci\u00f3n ultras\u00f3nica de la suspensi\u00f3n provoc\u00f3 una extracci\u00f3n cuantitativa del analito a la fase<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Determinaci\u00f3n directa de antimonio en suspensiones de muestras s\u00f3lidas de inter\u00e9s ambiental por espectroscop\u00edade absorci\u00f3n at\u00f3mica<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Determinaci\u00f3n directa de antimonio en suspensiones de muestras s\u00f3lidas de inter\u00e9s ambiental por espectroscop\u00edade absorci\u00f3n at\u00f3mica <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Cal Prieto M. Jes\u00fas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 A coru\u00f1a<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 08\/05\/2002<\/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: Jos\u00e9 Antonio Rodr\u00edguez v\u00e1zquez <\/li>\n<li>mercedes Gallego fern\u00e1ndez (vocal)<\/li>\n<li>pilar Bermejo barrera (vocal)<\/li>\n<li>esther Fern\u00e1ndez fern\u00e1ndez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cal Prieto M. Jes\u00fas Los objetivos bajos los cuales se desarrolla el trabajo de investigaci\u00f3n que constituye [&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":[18576,604,46799,17,6393,18],"tags":[52822,2900,52823,18595,36894,3260],"class_list":["post-16773","post","type-post","status-publish","format-standard","hentry","category-a-coruna","category-espectroscopia-de-absorcion","category-microscopia-optica","category-quimica","category-quimica-ambiental","category-quimica-analitica","tag-cal-prieto-m-jesus","tag-dario-prada-rodriguez","tag-esther-fernandez-fernandez","tag-jose-antonio-rodriguez-vazquez","tag-mercedes-gallego-fernandez","tag-pilar-bermejo-barrera"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/16773","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=16773"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/16773\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=16773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=16773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=16773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}