{"id":130665,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/determinacion-de-las-constantes-de-intercambio-ionico-de-metales-con-resinas-cationicas-fuertemente-acidas\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"determinacion-de-las-constantes-de-intercambio-ionico-de-metales-con-resinas-cationicas-fuertemente-acidas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/determinacion-de-las-constantes-de-intercambio-ionico-de-metales-con-resinas-cationicas-fuertemente-acidas\/","title":{"rendered":"Determinacion de las constantes de intercambio ionico de metales con resinas cationicas fuertemente acidas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Gregorio Borge Bravo <\/strong><\/h2>\n<p>El intercambio ionico es una de las tecnicas de separacion mas usadas a nivel cientifico e industrial, siendo necesario el conocimiento de las constantes de equilibrio que caracterizan los procesos de separacion basados en esta tecnica.En este trabajo se ha realizado una revision critica de los diferentes modelos de intercambio ionico, actualmente en mayor uso. La validez de estos, se ha comprobado mediante la determinacion de constantes de intercambio ionico de las resinas cationicas fuertemente acidas en su forma proton dowex cm-15 tipo macroporoso y dowex c650, tipo monoesfera, de alto indice de entrecruzamiento, con los metales de transicion fe, ni, cu, cd y zn.  asimismo se han determinado las constantes de ambas resinas con metales alcalinos y alcalinoterreos. Para ello se ha utilizado la tecnica de valoracion potenciometrica.  por otro lado se ha desarrollado un modelo de tratamiento de datos que considera la variacion del medio y la fuerza ionica a lo largo de la valoracion, tanto en la estimacion de los coeficientes de actividad como en el potencial de union liquida. Para ello se han empleado las ecuaciones del modelo de henderson, la metodolog\u00eda de bromley modificada y la ecuacion de falkenhagen modificada.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Determinacion de las constantes de intercambio ionico de metales con resinas cationicas fuertemente acidas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Determinacion de las constantes de intercambio ionico de metales con resinas cationicas fuertemente acidas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Gregorio Borge Bravo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/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>Juan  Manuel Madariaga Mota<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Salvador Alegret Sanroma <\/li>\n<li>Isabel Villaescusa Gil (vocal)<\/li>\n<li>I\u00f1igo Lopez Arbeloa (vocal)<\/li>\n<li>Luis Angel Fernandez Cuadrado (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gregorio Borge Bravo El intercambio ionico es una de las tecnicas de separacion mas usadas a nivel [&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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