{"id":32876,"date":"1997-01-01T00:00:00","date_gmt":"1997-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/determinacion-de-hidrazina-acido-ascorbico-y-tiamina-por-espectrofotometria-en-fase-solida\/"},"modified":"1997-01-01T00:00:00","modified_gmt":"1997-01-01T00:00:00","slug":"determinacion-de-hidrazina-acido-ascorbico-y-tiamina-por-espectrofotometria-en-fase-solida","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/determinacion-de-hidrazina-acido-ascorbico-y-tiamina-por-espectrofotometria-en-fase-solida\/","title":{"rendered":"Determinacion de hidrazina, acido ascorbico y tiamina por espectrofotometria en fase solida."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Pilar Ortega Barrales <\/strong><\/h2>\n<p>Se desarrollan, respectivamente, tres metodos de determinacion de hidrazina, acido ascorbico y tiamina por espectrometria en fase solida. La hidrazina se determina por reaccion con dimetilaminobenzoaldehido y medida de la absorbancia de la aldazina formada fijada sobre resina dowex 50wx8. El acido ascorbico se determina por su accion reductora sobre fe(iii), reaccion del fe(ii) formado con ferrozina, y fijacion del complejo fe(ii)-ferrozina sobre resina anionica sephadex qae-a-25 y medida de la absorbancia en fase solida. La tiamina (vitamina b1) se determina por medida directa de su absorbancia intrinseca previa fijacion en resina sephadex cmc-25. Finalmente se desarrolla un sensor fotometrico de flujo para tiamina combinando la espectrofotometria u.V en fase solida con un sistema de flujo no segmentado. Los metodos propuestos han demostrado en cada caso su aplicabilidad a una gran variedad de muestras reales, principalmente farmacos, alimentos liquidos (zumos) y liquidos conservantes.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Determinacion de hidrazina, acido ascorbico y tiamina por espectrofotometria en fase solida.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Determinacion de hidrazina, acido ascorbico y tiamina por espectrofotometria en fase solida. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Pilar Ortega Barrales <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Ja\u00e9n<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1997<\/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>Antonio Molina D\u00edaz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Fermin Capitan Vallvey <\/li>\n<li>Miguel De La Guardia Cirugeda (vocal)<\/li>\n<li> Pascual Reguera M. Isabel (vocal)<\/li>\n<li>Rosario Escobar Godoy (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pilar Ortega Barrales Se desarrollan, respectivamente, tres metodos de determinacion de hidrazina, acido ascorbico y tiamina por [&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":[679,604,18923,17,18],"tags":[18931,2328,11768,90181,90180,90182],"class_list":["post-32876","post","type-post","status-publish","format-standard","hentry","category-analisis-bioquimico","category-espectroscopia-de-absorcion","category-jaen","category-quimica","category-quimica-analitica","tag-antonio-molina-diaz","tag-luis-fermin-capitan-vallvey","tag-miguel-de-la-guardia-cirugeda","tag-pascual-reguera-m-isabel","tag-pilar-ortega-barrales","tag-rosario-escobar-godoy"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/32876","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=32876"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/32876\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=32876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=32876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=32876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}