{"id":20098,"date":"2018-03-09T09:09:19","date_gmt":"2018-03-09T09:09:19","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/determinacion-de-las-propiedades-de-las-pela%c2%adculas-interfaciales-en-minerales-sulfurados-de-origen-natural\/"},"modified":"2018-03-09T09:09:19","modified_gmt":"2018-03-09T09:09:19","slug":"determinacion-de-las-propiedades-de-las-pela%c2%adculas-interfaciales-en-minerales-sulfurados-de-origen-natural","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/malaga\/determinacion-de-las-propiedades-de-las-pela%c2%adculas-interfaciales-en-minerales-sulfurados-de-origen-natural\/","title":{"rendered":"Determinaci\u00f3n de las propiedades de las pel\u00edculas interfaciales en minerales sulfurados de origen natural"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Pablo Velasquez Castillo <\/strong><\/h2>\n<p>Esta memoria estudia la determinaci\u00f3n de las propiedades de las pel\u00edculas interfaciales en minerales sulfurados de origen natural (calcopirita, calcocita, enargita y pirita). Caracterizando la superficie de estos minerales y los posibles compuestos que de ellos se puedan formar. En este \u00e1mbito es posible abarcar una extensa \u00e1rea de investigaci\u00f3n, ya que la utilidad pr\u00e1ctica de los compuestos o de los mismos materiales implica una profunda y acuciosa investigaci\u00f3n. Lo m\u00e1s importante ha sido caracterizar el comportamiento de estos minerales como primera l\u00ednea de investigaci\u00f3n y luego derivar las investigaciones hechas para comprobar o descartar los distintos compuestos propuestos para la oxidaci\u00f3n de cada uno de estos materiales con distintas t\u00e9cnicas, tanto voltam\u00e9tricas como espectrosc\u00f3picas.  los m\u00e9todos electroqu\u00edmicos tradicionales, voltametr\u00edca c\u00edclica y, m\u00e1s recientemente, espectroscop\u00eda de impedancia electroqu\u00edmica, permite estudiar la interacci\u00f3n el\u00e9ctrica del electrodo\/electrolito y su variaci\u00f3n para distintos potenciales de oxidaci\u00f3n; as\u00ed, la espectroscopia de impedancia electroqu\u00edmica permite modelar la interacci\u00f3n electrodo\/electrolito mediante circuitos equivalentes compuestos de capacidades, resistencias e impedancias de difusi\u00f3n cuyos valores dependen de la morfolog\u00eda de la superficie del electrodo y de su composici\u00f3n qu\u00edmica.  sin embargo, estos m\u00e9todos no permiten, por s\u00ed solos, establecer los cambios morfol\u00f3gicos y de composici\u00f3n qu\u00edmica de la superficie siendo necesario aplicar t\u00e9cnicas espectrosc\u00f3picas complementarias de an\u00e1lisis superficial (sem, edx y xps).  para desarrollar y mejorar estas t\u00e9cnicas espectrosc\u00f3picas de an\u00e1lisis superficial (xps, sem y edx), se ha dise\u00f1ado y construcci\u00f3n distintos dispositivos experimentales, como una c\u00e1mara de atm\u00f3sfera controlada, que permite aplicar estos m\u00e9todos al an\u00e1lisis a los distintos minerales electroqu\u00edmicamente modificados<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Determinaci\u00f3n de las propiedades de las pel\u00edculas interfaciales en minerales sulfurados de origen natural<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Determinaci\u00f3n de las propiedades de las pel\u00edculas interfaciales en minerales sulfurados de origen natural <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Pablo Velasquez Castillo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 M\u00e1laga<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/11\/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>Jos\u00e9 Ram\u00f3n Ramos Barrado<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: cristobal Fern\u00e1ndez pineda <\/li>\n<li>felipe S\u00e1nchez mateos (vocal)<\/li>\n<li> Sanz Martinez Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<li>Juli\u00e1n Morales palomino (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pablo Velasquez Castillo Esta memoria estudia la determinaci\u00f3n de las propiedades de las pel\u00edculas interfaciales en minerales [&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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