{"id":72994,"date":"2005-03-03T00:00:00","date_gmt":"2005-03-03T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/hidroxisales-de-ni-y-zn-propiedades-de-intercambio-y-productos-de-descomposicion\/"},"modified":"2005-03-03T00:00:00","modified_gmt":"2005-03-03T00:00:00","slug":"hidroxisales-de-ni-y-zn-propiedades-de-intercambio-y-productos-de-descomposicion","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/hidroxisales-de-ni-y-zn-propiedades-de-intercambio-y-productos-de-descomposicion\/","title":{"rendered":"Hidroxisales de ni y zn: propiedades de intercambio y productos de descomposici\u00f3n."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ricardo Rojas Delgado <\/strong><\/h2>\n<p>Las hidroxisales laminares de ni y zn (lhss-[ni-zn]) est\u00e1n constituidos por l\u00e1minas con carga positiva que se compensa por la intercalaci\u00f3n de aniones, los cuales comparten el espacio entre dos l\u00e1minas consecutivas con mol\u00e9culas de agua. Estos s\u00f3lidos son intercambiadores de aniones y presentan productos de calcinaci\u00f3n interesantes por su alta superficie espec\u00edfica y la dispersi\u00f3n  homog\u00e9neade los cationesque los constituyen.  se han sintetizado lhss-[ni-zn] con acetato en la interl\u00e1mina y se ha estudiado tanto la estructura de las l\u00e1minas hidrox\u00edlicas con la disposici\u00f3n de los aniones acetato en la interl\u00e1mina. Posteriormente se ha realizado el interc; tmbiode estas especies con aniones inorg\u00e1nicos simples (cloruro, bromuro,carbonato,) as\u00ed como con otros de mayor tama\u00f1o, \u00e9omo polioxometalatos y complejos de aedt. Las lhss-[ni-zn] son buenas intercambiadoras en todos los casos, obteni\u00e9ndose elevados porcentajes de intercambio, si bien la especieintercaladadependetanto del m\u00e9todode s\u00edntesis como del ph empleado.  se han estudiado las variaciones en la estructura de las hidroxisales al intercalar estos aniones as\u00ed como su influencia en las propiedadesde los s\u00f3lidos obtenidos.La disposici\u00f3n de los aniones en la interl\u00e1minadependede la naturalezadel ani\u00f3n.  se han determinado las etapas en que se produce la descomposici\u00f3n t\u00e9rmica del s\u00f3lido y se han caracterizado los s\u00f3lidos obtenidos por calcinaci\u00f3n. la deshidroxilaci\u00f3n de la muestra se produce la p\u00e9rdida de la estructura laminar de los s\u00f3lidos, obteni\u00e9ndose \u00f3xidos poco cristalinos de los metales presentes en la estructura con posibles aplicaciones catal\u00edticas. Al aumentar la temperatura de calcinaci\u00f3n se produce un aumento en la cristalinidad que permite identificar los distintos \u00f3xidos obtenidos, en los que se producen  disoluciones s\u00f3lidas de los distintos cationes presentes.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Hidroxisales de ni y zn: propiedades de intercambio y productos de descomposici\u00f3n.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Hidroxisales de ni y zn: propiedades de intercambio y productos de descomposici\u00f3n. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ricardo Rojas Delgado <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 03\/03\/2005<\/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>Cristobalina Barriga Carrasco<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: vicente Rives arnau <\/li>\n<li>vidal Baron lopez de la torre (vocal)<\/li>\n<li>Jos\u00e9 m Fernandez rodriguez (vocal)<\/li>\n<li>Francisco Jos\u00e9 Romero salguero (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ricardo Rojas Delgado Las hidroxisales laminares de ni y zn (lhss-[ni-zn]) est\u00e1n constituidos por l\u00e1minas con carga [&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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