{"id":26883,"date":"2018-03-09T09:18:54","date_gmt":"2018-03-09T09:18:54","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-migracion-de-componentes-no-volatiles-en-envases-alimentarios-durante-su-calentamiento-en-horno-microondas\/"},"modified":"2018-03-09T09:18:54","modified_gmt":"2018-03-09T09:18:54","slug":"estudio-de-la-migracion-de-componentes-no-volatiles-en-envases-alimentarios-durante-su-calentamiento-en-horno-microondas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/zaragoza\/estudio-de-la-migracion-de-componentes-no-volatiles-en-envases-alimentarios-durante-su-calentamiento-en-horno-microondas\/","title":{"rendered":"Estudio de la migraci\u00f3n de componentes no vol\u00e1tiles en envases alimentarios durante su calentamiento en horno microondas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Consuelo Fern\u00e1ndez Rivas <\/strong><\/h2>\n<p>Se estudian los componentes poco vol\u00e1tiles que pueden desprender los materiales usados com\u00fanmente en hormo microondas: policarbonato (pc), tres tipos de polipropileno (pp random, pp con 20% de talco; pp copol\u00edmero) y copol\u00edmero de estireno-acrilonitrilo (san).  para el estudio se desarrollan diversas metodolog\u00edas anal\u00edticas:  * tratamiento de la muestra mediante disoluci\u00f3n total\/reprecipitaci\u00f3n del pol\u00edmero.  * optimizaci\u00f3n de la separaci\u00f3n mediante hplc-uv de los componentes presentes en los distintos extractos polim\u00e9ricos.  * el screening cualitativo de la composici\u00f3n de los pl\u00e1sticos mediante hplc-uv y gc-ms de muestra que el envase de pc contiene mayor n\u00famero y variedad de migrantes potenciales, as\u00ed como una elevada concentraci\u00f3n de bisfenol a (bpa).  * identificaci\u00f3n de componentes del pc mediante hplc acoplada a detecci\u00f3n uv-diode array- fluorescencia; antioxidantes (irganox 1076; irgafos 168); estabilizantes uv (cyasorb uv5411); plastificantes (dehp); mon\u00f3meros de partida en la fabricaci\u00f3n del pol\u00edmero (bpa); compuestos de degradaci\u00f3n (fenol; 2,4-di-terc-butilfenol). Cuantificaci\u00f3n y evaluaci\u00f3n de la migraci\u00f3n potencial.  * utilizaci\u00f3n de hplc-ms como herramienta para la elucidaci\u00f3n estructural de componentes desconocidos y confirmaci\u00f3n de identidades en la muestra de pc.  * estudios de migraci\u00f3n espec\u00edfica en simulantes alimentarios legislados: l\u00edquidos (agua, \u00e1cido ac\u00e9tico al 3%; etanol al 10%; isooctano; etanol al 95%) y s\u00f3lidos (tenax).  * estudio de la extracci\u00f3n en fase s\u00f3lida (spe) como t\u00e9cnica para el aislamiento y preconcentraci\u00f3n de compuestos org\u00e1nicos en simulantes alilmentarios acuosos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la migraci\u00f3n de componentes no vol\u00e1tiles en envases alimentarios durante su calentamiento en horno microondas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la migraci\u00f3n de componentes no vol\u00e1tiles en envases alimentarios durante su calentamiento en horno microondas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Consuelo Fern\u00e1ndez Rivas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/11\/2003<\/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>M. C. Cristina Nerin De La Puerta<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: carmen Camara rico <\/li>\n<li>Rafael Gavara (vocal)<\/li>\n<li>perfecto Paseiro losada (vocal)<\/li>\n<li>francisca Vicente estevez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Consuelo Fern\u00e1ndez Rivas Se estudian los componentes poco vol\u00e1tiles que pueden desprender los materiales usados com\u00fanmente en [&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":[13610],"tags":[1924,77505,6134,9358,2582,77506],"class_list":["post-26883","post","type-post","status-publish","format-standard","hentry","category-zaragoza","tag-carmen-camara-rico","tag-consuelo-fernandez-rivas","tag-francisca-vicente-estevez","tag-m-c-cristina-nerin-de-la-puerta","tag-perfecto-paseiro-losada","tag-rafael-gavara"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/26883","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=26883"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/26883\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=26883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=26883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=26883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}