{"id":77843,"date":"2018-03-09T23:23:25","date_gmt":"2018-03-09T23:23:25","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/interaccion-de-pesticidas-organicos-con-sistemas-modelo-de-los-componentes-del-suelo\/"},"modified":"2018-03-09T23:23:25","modified_gmt":"2018-03-09T23:23:25","slug":"interaccion-de-pesticidas-organicos-con-sistemas-modelo-de-los-componentes-del-suelo","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/interaccion-de-pesticidas-organicos-con-sistemas-modelo-de-los-componentes-del-suelo\/","title":{"rendered":"Interacci\u00f3n de pesticidas org\u00e1nicos con sistemas modelo de los componentes del suelo."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Iglesias Gonz\u00e1lez Ana Cristina <\/strong><\/h2>\n<p>Este trabajo incluye el estudio de la adsorci\u00f3n de dos pesticidas org\u00e1nicos, paraquat y mcpa sobre las sustancias h\u00famicas, realizando un estudio del efecto de la presencia de calcio en la interacci\u00f3n de paraquat y \u00e1cido h\u00famico. Por otra parte se realizaron estudios de adsorci\u00f3n de ambos pesticidas sobre un oxihidr\u00f3xido mineral de hierro, goetita. Para finalizar se analiz\u00f3 la adsorci\u00f3n de paraquat y mcpa sobre la asociaci\u00f3n de materia org\u00e1nica y fracci\u00f3n mineral, en concreto, sobre la asociaci\u00f3n de \u00e1cido h\u00famico y goetita.  para realizar este estudio, previamente fue necesario realizar la extracci\u00f3n y caracterizaci\u00f3n de sustancias h\u00famicas de un suelo de galicia, y dentro de la caracterizaci\u00f3n se realiz\u00f3 un estudio de los equilibrios de protonaci\u00f3n de las sustancias h\u00famicas extra idas. El an\u00e1lisis estructural de las sustancias h\u00famicas nos proporcion\u00f3 informaci\u00f3n sobre los grupos funcionales que presentan este tipo de sustancias. El estudio de los equilibrios de protonaci\u00f3n se realiz\u00f3 mediante una serie de valoraciones potenc\u00edom\u00e9tricas \u00e1cido-base. la aplicaci\u00f3n de un modelo electrost\u00e1tico y una isoterma de adsorci\u00f3n nos permite obtener los par\u00e1metros de protonaci\u00f3n intr\u00ednsecos, indispensables para interpretar los procesos de adsorci\u00f3n de estas sustancias.  para realizar el estudio de adsorci\u00f3n de pesticidas org\u00e1nicos sobre sustancias h\u00famicas fue necesario optimizar una t\u00e9cnica de di\u00e1lisis para separar el pesticida libre del resto de los componentes de reacci\u00f3n y poder determinar la magnitud de la adsorci\u00f3n. A partir del estudio de las propiedades de adsorci\u00f3n del pesticida cati\u00f3nico paraquat sobre sustancias h\u00famicas se comprob\u00f3 que este proceso es dependiente del ph y de la fuerza i\u00f3nica, favoreci\u00e9ndose la adsorci\u00f3n a medida que aumenta el ph y disminuye la concentraci\u00f3n de electrolito. Se compar\u00f3 la adsorci\u00f3n de paraquat sobre las dos fracciones de las sustancias h\u00famicas observ\u00e1ndose<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Interacci\u00f3n de pesticidas org\u00e1nicos con sistemas modelo de los componentes del suelo.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Interacci\u00f3n de pesticidas org\u00e1nicos con sistemas modelo de los componentes del suelo. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Iglesias Gonz\u00e1lez Ana Cristina <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/12\/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>Florencio Arce Vazquez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: felipe Mac\u00edas v\u00e1zquez <\/li>\n<li>Marta Camps arbestain (vocal)<\/li>\n<li> L\u00f3pez fonseca Miguel j. (vocal)<\/li>\n<li>Juan Cornejo suero (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Iglesias Gonz\u00e1lez Ana Cristina Este trabajo incluye el estudio de la adsorci\u00f3n de dos pesticidas org\u00e1nicos, paraquat [&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":[494,27,1424,199,3831,1769,560,977],"tags":[3120,2620,167486,47708,167487,137463],"class_list":["post-77843","post","type-post","status-publish","format-standard","hentry","category-ciencias-agrarias","category-ciencias-de-la-tierra-y-del-espacio","category-electroquimica","category-fisica","category-geoquimica","category-quimica-agricola","category-quimica-fisica","category-santiago-de-compostela","tag-felipe-macias-vazquez","tag-florencio-arce-vazquez","tag-iglesias-gonzalez-ana-cristina","tag-juan-cornejo-suero","tag-lopez-fonseca-miguel-j","tag-marta-camps-arbestain"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/77843","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=77843"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/77843\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=77843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=77843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=77843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}