{"id":54598,"date":"2018-03-09T22:42:19","date_gmt":"2018-03-09T22:42:19","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/innovaciones-en-qua%c2%admica-anala%c2%adtica-supramolecular-extraccion-coacervativa-y-sistemas-adsorbentes\/"},"modified":"2018-03-09T22:42:19","modified_gmt":"2018-03-09T22:42:19","slug":"innovaciones-en-qua%c2%admica-anala%c2%adtica-supramolecular-extraccion-coacervativa-y-sistemas-adsorbentes","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica-analitica\/innovaciones-en-qua%c2%admica-anala%c2%adtica-supramolecular-extraccion-coacervativa-y-sistemas-adsorbentes\/","title":{"rendered":"Innovaciones en qu\u00edmica anal\u00edtica supramolecular. extracci\u00f3n coacervativa y sistemas adsorbentes"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Francisco Merino Rodr\u00edguez <\/strong><\/h2>\n<p>Las investigaciones contenidas en esta tesis doctoral tienen como principal objetivo resolver el problema del tratamiento de muestras s\u00f3lidas y l\u00edquidas, lento y complejo, como paso previo a la determinaci\u00f3n de contaminantes org\u00e1nicos emergentes en an\u00e1lisis ambiental. para ello se proponen nuevos procedimientos de extracci\u00f3n\/preconcentraci\u00f3n mediante sistemas coacervados y absorbentes, basados en el uso de agregados micelares formados por tensioactivos, que obvian los disolventes org\u00e1nicos siendo por tanto compatibles con los principios de la qu\u00edmica sostenible. los principales aspectos innovadores se resumen a continuaci\u00f3n:     a,- se proponen nuevos sistemas coacervados inducidos pro \u00e1cido, utilizando un tensioactivo ani\u00f3nico para la extracci\u00f3n de pahs en suelos, sedimentos y lodos focales. El coacervado incrementa su poder de extracci\u00f3n cuando se forma un agragado mixto entre el analito y el extractante. Ello se ha demostrado con la extracci\u00f3n de tensioactivos cati\u00f3nicos (analitos) del tipo alquil-amonio en lodos procedentes en plantas de tratamiento. Los factores de concentraci\u00f3n en la fase rica en tensioactivo (caocervado) son muy altos. La separaci\u00f3n\/cualificaci\u00f3n identificaci\u00f3n de estos contaminantes se llev\u00f3 a cabo por lc-fluorescencia (para pahs) y por lc\/(esi-it)-ms (para los alquil-amonio).     b,- se propone por primera vez nuevos sistemas adsorbentes formados por un \u00f3xido met\u00e1lico revestido de un agragado micelar (hemimicela\/admicela) para su uso en spe. La t\u00e9cnica desarrollada fue validada por adsolubilizaci\u00f3n de tensioactivos hom\u00f3logos de benzalkonio (bas) y herbicidas de amonio quaternario (quats). Con el fin de adaptar estos sistemas adsorbentes al an\u00e1lisis de rutina se ha dise\u00f1ado un dispositivo para su acoplamiento \u00abon-line\u00bb a lc-ms.     c,- se han desarrollado nuevas metodolog\u00edas anal\u00edticas basadas en la formaci\u00f3n de agregados mixtos permicelares para la determinaci\u00f3n de tensioactivos cati\u00f3nicos del tipo d<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Innovaciones en qu\u00edmica anal\u00edtica supramolecular. extracci\u00f3n coacervativa y sistemas adsorbentes<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Innovaciones en qu\u00edmica anal\u00edtica supramolecular. extracci\u00f3n coacervativa y sistemas adsorbentes <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Francisco Merino Rodr\u00edguez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/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>Mar\u00eda Dolores P\u00e9rez Bendito<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: manuel Silva rodriguez <\/li>\n<li>pilar Campins falc\u00f3 (vocal)<\/li>\n<li> Sicilia criado Mar\u00eda  dolores (vocal)<\/li>\n<li>bernardo Moreno cordero (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Francisco Merino Rodr\u00edguez Las investigaciones contenidas en esta tesis doctoral tienen como principal objetivo resolver el problema [&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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