{"id":19671,"date":"2018-03-09T09:08:44","date_gmt":"2018-03-09T09:08:44","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/equilibrios-ionicos-en-disolventes-alcoholicos-mixtos\/"},"modified":"2018-03-09T09:08:44","modified_gmt":"2018-03-09T09:08:44","slug":"equilibrios-ionicos-en-disolventes-alcoholicos-mixtos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/equilibrios-ionicos-en-disolventes-alcoholicos-mixtos\/","title":{"rendered":"Equilibrios i\u00f3nicos en disolventes alcoh\u00f3licos mixtos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Fernando Rived S\u00e1nchez <\/strong><\/h2>\n<p>* se ha explicado la variaci\u00f3n que experimenta el pka de cinco electrolitos (de tipo \u00e1cido, base y sal) al variar la composici\u00f3n del medio en que se encuentran disueltos (tert-butanol) mediante la adici\u00f3n de un consolvente (isopropanol, etanol, metanol, n-hexano y benceno).  * se ha utilizado la aproximaci\u00f3n lser para cuantificar las principales interacciones soluto-disolvente  que intervienen en la disociaci\u00f3n de los cinco electrolitos estudiados.  * se han determinado las densidades, viscosidades, \u00edndices de refracci\u00f3n y constantes diel\u00e9ctricas de las mezclas binarias estudiadas en todo el intervalo de composici\u00f3n. Adem\u00e1s se han incluido en el estudio las mezclas tert-butanol-agua.  * mediante una serie de indicadores solvatocr\u00f3micos se han determinado una serie de par\u00e1metros solvatocr\u00f3micos como et(30), alfa, beta y * en todo el intervalo de composici\u00f3n mediante la utilizaci\u00f3n de un modelo de solvataci\u00f3n preferencial.  * se ha propuesto una modificaci\u00f3n al modelo de solvataci\u00f3n preferencial inicialmente utilizado para estudiar el efecto del reforzamiento de la estructura del agua en las mezclas de alcohol-agua.  * se han establecido correlaciones lineales entre los valores de pka en metanol y los valores de pka en agua para los derivados del fenol, los \u00e1cidos carbox\u00edlicos alif\u00e1ticos y arom\u00e1ticos, aminas y bases heteroc\u00edclicas nitrogenadas protonadas. Las correlaciones obtenidas han sido buenas y permite calcular el valor de pka en agua a partir del valor de pka en metanol correspondiente.  * como alternativas al modelo de izmailov para estimar los valores de pka, se han comparado entre s\u00ed los modelos de hammett-taft y de drago. Debido a que los resultados obtenidos mediante ambos modelos son comparables, a\u00fan partiendo de planteamiento diferentes, era l\u00f3gico pensar que deb\u00eda existir una relaci\u00f3n entre los par\u00e1metros de ambos modelos. Esta relaci\u00f3n se ha establecido entre el par\u00e1metro de p de hammet<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Equilibrios i\u00f3nicos en disolventes alcoh\u00f3licos mixtos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Equilibrios i\u00f3nicos en disolventes alcoh\u00f3licos mixtos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Fernando Rived S\u00e1nchez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/10\/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>Elisabeth Bosch Jose<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: miquel Esteban cortada <\/li>\n<li>m. Gon\u00ed\u00a7alves-maia raquel (vocal)<\/li>\n<li>Jos\u00e9 Luis Abboud mas (vocal)<\/li>\n<li>eudald Vilaseca font (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Fernando Rived S\u00e1nchez * se ha explicado la variaci\u00f3n que experimenta el pka de cinco electrolitos (de [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[1595,951,17,18],"tags":[34211,60293,60291,29818,60292,14257],"class_list":["post-19671","post","type-post","status-publish","format-standard","hentry","category-analisis-cromatografico","category-barcelona","category-quimica","category-quimica-analitica","tag-elisabeth-bosch-jose","tag-eudald-vilaseca-font","tag-fernando-rived-sanchez","tag-jose-luis-abboud-mas","tag-m-gonialves-maia-raquel","tag-miquel-esteban-cortada"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/19671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=19671"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/19671\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=19671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=19671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=19671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}