{"id":63062,"date":"2018-03-09T22:50:59","date_gmt":"2018-03-09T22:50:59","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/influencia-de-la-temperatura-en-las-propiedades-micelares-de-sales-cuaternarias-de-amonio-en-disolucion-acuosa\/"},"modified":"2018-03-09T22:50:59","modified_gmt":"2018-03-09T22:50:59","slug":"influencia-de-la-temperatura-en-las-propiedades-micelares-de-sales-cuaternarias-de-amonio-en-disolucion-acuosa","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/santiago-de-compostela\/influencia-de-la-temperatura-en-las-propiedades-micelares-de-sales-cuaternarias-de-amonio-en-disolucion-acuosa\/","title":{"rendered":"Influencia de la temperatura en las propiedades micelares de sales cuaternarias  de amonio en disolucion acuosa"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juan  Jos\u00e9 Gal\u00e1n D\u00edaz <\/strong><\/h2>\n<p>El presente trabajo caracteriza el comportamiento de las tensioactivos pirid\u00ednicos de cloro y bromo de distintas cadena hidrocarbonadas mediante las t\u00e9cnicas de conductivimetr\u00eda, densitometr\u00eda y velocidad del sonido. Tambi\u00e9n se estudia el comportamiento del tiocianato de dodecilpirid\u00ednio, aunque este solo mediante la conductividad.  se obtienen las concentraciones micelares criticas, cmc, de las citadas sales y se investiga como es afectada por la temperatura, encontr\u00e1ndose que esta tienen una forma parab\u00f3lica con un m\u00ednimo a temperaturas pr\u00f3ximas a la ambiente, decreciendo linealmente con la longitud de cadena alquil, lo que pone de manifiesto una disminuci\u00f3n de la temperatura del m\u00ednimo con la hidrofobicidad del tensioactivo. se encontrado, asimismo, que el grado de ionizaci\u00f3n de la  micela aumenta linealmente con la temperatura y con la longitud de la cadena alquil, siguiendo adem\u00e1s la secuencia liotr\u00f3pica establecida por hoffmeinster.  mediante el modelo de acci\u00f3n de masas se han estimado los par\u00e1metros termodin\u00e1micos de micelizaci\u00f3n.  adema se ha visto la influencia de varios cotensioactivos (butanol, pentanol y hexanol) en el cloruro de dodecilpirid\u00ednio, estim\u00e1ndose la concentraci\u00f3n del alcohol en la micela mediante la teor\u00eda de motomura.  finalmente en una miscel\u00e1nea se han analizado los comportamientos frente a la temperatura y concentraci\u00f3n de los tensioactivos bromuro de dodecildimetiletilamonio y nitrato de tetradeciltrimetilamonio mediante las t\u00e9cnicas ya referenciadas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Influencia de la temperatura en las propiedades micelares de sales cuaternarias  de amonio en disolucion acuosa<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Influencia de la temperatura en las propiedades micelares de sales cuaternarias  de amonio en disolucion acuosa <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juan  Jos\u00e9 Gal\u00e1n D\u00edaz <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/02\/2008<\/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>Julio Ramon Rodriguez Gonzalez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: julio Casado linarejos <\/li>\n<li>angel vicente Delgado mora (vocal)<\/li>\n<li>victor Mosquera tallon (vocal)<\/li>\n<li>Jos\u00e9 Blanco m\u00e9ndez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juan Jos\u00e9 Gal\u00e1n D\u00edaz El presente trabajo caracteriza el comportamiento de las tensioactivos pirid\u00ednicos de cloro y [&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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