{"id":54833,"date":"2018-03-09T22:42:34","date_gmt":"2018-03-09T22:42:34","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/desarrollo-de-un-sensor-potenciometrico-de-oxa%c2%adgeno-para-el-eutectico-44-5-pb-55-5-bi-fundido\/"},"modified":"2018-03-09T22:42:34","modified_gmt":"2018-03-09T22:42:34","slug":"desarrollo-de-un-sensor-potenciometrico-de-oxa%c2%adgeno-para-el-eutectico-44-5-pb-55-5-bi-fundido","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/desarrollo-de-un-sensor-potenciometrico-de-oxa%c2%adgeno-para-el-eutectico-44-5-pb-55-5-bi-fundido\/","title":{"rendered":"Desarrollo de un sensor potenciom\u00e9trico de ox\u00edgeno para el eut\u00e9ctico 44.5% pb &#8211; 55.5% bi fundido"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Sergi Colominas Fuster <\/strong><\/h2>\n<p>Una de las posibles alternativas para disminuir el inventario readiot\u00f3xico del combustible nuclear gastado es el uso de reactores del tipo ads (accelerator driven system). Estos reactores requieren el desarrollo de nueva tecnolog\u00edas, por ejemplo, dise\u00f1ar sistemas de refrigeraci\u00f3n con metales fundidos y el empleo de pb o 44.5% pb &#8211; 55.5% bi (lbe) como blanco de estalaci\u00f3n. El uso de metales l\u00edquidos en este tipo de reactores requiere un estricto control de su contenido en ox\u00edgeno. con el objetivo de estudiar la qu\u00edmica del ox\u00edgeno en el lbe fundido, se propone el uso de sensores potenciom\u00e9tricos de ox\u00edgenos basados en electrolitos en estado s\u00f3lido. Se ha estudiado la respuesta de estos sensores al utilizar diferentes sistemas de regencia (in\/in2o3, sn\/son y pt\/aire), el uso de distintos materiales como electrodo de trabajo (hilo de molibdeno, acero p22, acero inoxidable 304 y 316l y platino), la influencia de la temperatura en la respuesta de los sensores y el empleo de gases de cobertura en el lbe con un contenido diferente de ox\u00edgeno. la presencia de impurezas met\u00e1licas puede modificar las propiedades qu\u00edmico-f\u00edsicas del lbe, especialmente la qu\u00edmica del ox\u00edgeno en el metal fundido. Por este motivo, se ha estudiado la respuesta de los sensores de ox\u00edgeno al utilizar in y sn como impurezas met\u00e1licas en el lbe fundido. la diferencia de potencial que proporciona el sensor se puede relacionar con la presi\u00f3n parcial de ox\u00edgeno en el lbe mediante la ecuaci\u00f3n de nerst. Sin embargo, no es posible establecer una relaci\u00f3n directa entre concentraci\u00f3n de ox\u00edgeno y diferencia de potencial medida en el sensor. Mediante el uso de un sensor potenciom\u00e9trico de ox\u00edgeno y una celda electroqu\u00edmica desarrollada, se ha obtenido por v\u00eda columbim\u00e9trica una ecuaci\u00f3n preliminar que relaciona las dos variable antes citadas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Desarrollo de un sensor potenciom\u00e9trico de ox\u00edgeno para el eut\u00e9ctico 44.5% pb &#8211; 55.5% bi fundido<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Desarrollo de un sensor potenciom\u00e9trico de ox\u00edgeno para el eut\u00e9ctico 44.5% pb &#8211; 55.5% bi fundido <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Sergi Colominas Fuster <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Ram\u00f3n llull<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 29\/09\/2006<\/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>Jordi Abella Iglesias<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Santiago Nonell marrugat <\/li>\n<li> Mart\u00edn mu\u00f1oz Francisco Javier (vocal)<\/li>\n<li>Carlos Muller jevenois (vocal)<\/li>\n<li>laura Soler crespo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sergi Colominas Fuster Una de las posibles alternativas para disminuir el inventario readiot\u00f3xico del combustible nuclear gastado [&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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