{"id":4472,"date":"2025-02-05T16:54:09","date_gmt":"2025-02-05T15:54:09","guid":{"rendered":"https:\/\/agora.xtec.cat\/iesflix\/?p=4472"},"modified":"2025-02-05T16:54:09","modified_gmt":"2025-02-05T15:54:09","slug":"ies-flix-comissio-cientifica-cromatografia","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/iesflix\/eso\/eso-2\/ies-flix-comissio-cientifica-cromatografia\/","title":{"rendered":"IES Flix: Comissi\u00f3 cient\u00edfica: cromatografia"},"content":{"rendered":"<p>A la mat\u00e8ria optativa de ci\u00e8ncies de 2n d&#8217;ESO hem aplicat la t\u00e8cnica de la cromatografia per separar i identificar els pigments vegetals que cont\u00e9 una mostra d&#8217;espinacs.<br \/>\nD&#8217;aquesta manera, amb una fase fixa de paper absorbent i una fase m\u00f2bil d&#8217;alcohol, el nostre alumnat ha pogut identificar la clorofil\u00b7la a (verd clar), la clorofil\u00b7la b (verd fosc) i la xantofil\u2022la (groc) com a pigments presents en aquests vegetals i tamb\u00e9, els ha classificat d&#8217;acord amb la seva major o menor solubilitat amb l&#8217;alcohol.<br \/>\nAl mateix temps, tamb\u00e9 hem aplicat aquesta t\u00e8cnica per separar els pigments que cont\u00e9 la tinta negra d&#8217;un retolador.<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/iesflix\/wp-content\/uploads\/usu1940\/2025\/02\/Cromatografia-1-ALBA-DAROCAS-CASTELLO.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-4473\" src=\"https:\/\/agora.xtec.cat\/iesflix\/wp-content\/uploads\/usu1940\/2025\/02\/Cromatografia-1-ALBA-DAROCAS-CASTELLO-1024x576.jpg\" alt=\"\" width=\"1024\" height=\"576\" srcset=\"https:\/\/agora.xtec.cat\/iesflix\/wp-content\/uploads\/usu1940\/2025\/02\/Cromatografia-1-ALBA-DAROCAS-CASTELLO-1024x576.jpg 1024w, https:\/\/agora.xtec.cat\/iesflix\/wp-content\/uploads\/usu1940\/2025\/02\/Cromatografia-1-ALBA-DAROCAS-CASTELLO-300x169.jpg 300w, https:\/\/agora.xtec.cat\/iesflix\/wp-content\/uploads\/usu1940\/2025\/02\/Cromatografia-1-ALBA-DAROCAS-CASTELLO-768x432.jpg 768w, https:\/\/agora.xtec.cat\/iesflix\/wp-content\/uploads\/usu1940\/2025\/02\/Cromatografia-1-ALBA-DAROCAS-CASTELLO.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A la mat\u00e8ria optativa de ci\u00e8ncies de 2n d&#8217;ESO hem aplicat la t\u00e8cnica de la cromatografia per separar i identificar els pigments vegetals que cont\u00e9 una mostra d&#8217;espinacs. D&#8217;aquesta manera, amb una fase fixa de paper absorbent i una fase m\u00f2bil d&#8217;alcohol, el nostre alumnat ha pogut identificar la clorofil\u00b7la a (verd clar), la clorofil\u00b7la [&hellip;]<\/p>\n","protected":false},"author":45,"featured_media":4473,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[106,5],"tags":[178,162],"class_list":["post-4472","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cien","category-eso-2","tag-2n-deso","tag-activitats"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/iesflix\/wp-json\/wp\/v2\/posts\/4472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/iesflix\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/iesflix\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesflix\/wp-json\/wp\/v2\/users\/45"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesflix\/wp-json\/wp\/v2\/comments?post=4472"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/iesflix\/wp-json\/wp\/v2\/posts\/4472\/revisions"}],"predecessor-version":[{"id":4474,"href":"https:\/\/agora.xtec.cat\/iesflix\/wp-json\/wp\/v2\/posts\/4472\/revisions\/4474"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesflix\/wp-json\/wp\/v2\/media\/4473"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/iesflix\/wp-json\/wp\/v2\/media?parent=4472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesflix\/wp-json\/wp\/v2\/categories?post=4472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesflix\/wp-json\/wp\/v2\/tags?post=4472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}