{"id":11417,"date":"2024-05-08T11:38:06","date_gmt":"2024-05-08T09:38:06","guid":{"rendered":"https:\/\/agora.xtec.cat\/iesvila-seca\/?p=11417"},"modified":"2024-05-08T11:38:29","modified_gmt":"2024-05-08T09:38:29","slug":"cristalls-que-semblen-diamants","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/iesvila-seca\/portada\/cristalls-que-semblen-diamants\/","title":{"rendered":"Cristalls que semblen diamants"},"content":{"rendered":"<p style=\"text-align: center;\">\r\n\t<div class=\"slideshow_container slideshow_container_style-light\" style=\"height: 500px; \" data-slideshow-id=\"11409\" data-style-name=\"style-light\" data-style-version=\"2.3.1\" >\r\n\r\n\t\t\t\t\t<div class=\"slideshow_loading_icon\"><\/div>\r\n\t\t\r\n\t\t<div class=\"slideshow_content\" style=\"display: none;\">\r\n\r\n\t\t\t<div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-content\/uploads\/usu475\/2024\/05\/Captura-de-pantalla-2024-05-07-a-las-16.39.39.png\" alt=\"Captura de pantalla 2024-05-07 a las 16.39.39\" width=\"800\" height=\"1067\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">Captura de pantalla 2024-05-07 a las 16.39.39<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-content\/uploads\/usu475\/2024\/05\/Captura-de-pantalla-2024-05-07-a-las-16.39.22.png\" alt=\"Captura de pantalla 2024-05-07 a las 16.39.22\" width=\"800\" height=\"601\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">Captura de pantalla 2024-05-07 a las 16.39.22<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-content\/uploads\/usu475\/2024\/05\/Captura-de-pantalla-2024-05-07-a-las-16.39.08.png\" alt=\"Captura de pantalla 2024-05-07 a las 16.39.08\" width=\"800\" height=\"498\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">Captura de pantalla 2024-05-07 a las 16.39.08<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-content\/uploads\/usu475\/2024\/05\/Captura-de-pantalla-2024-05-07-a-las-16.38.47.png\" alt=\"Captura de pantalla 2024-05-07 a las 16.38.47\" width=\"800\" height=\"616\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">Captura de pantalla 2024-05-07 a las 16.38.47<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-content\/uploads\/usu475\/2024\/05\/Captura-de-pantalla-2024-05-07-a-las-16.38.28.png\" alt=\"Captura de pantalla 2024-05-07 a las 16.38.28\" width=\"800\" height=\"442\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">Captura de pantalla 2024-05-07 a las 16.38.28<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-content\/uploads\/usu475\/2024\/05\/Captura-de-pantalla-2024-05-07-a-las-16.38.11.png\" alt=\"Captura de pantalla 2024-05-07 a las 16.38.11\" width=\"800\" height=\"604\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">Captura de pantalla 2024-05-07 a las 16.38.11<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-content\/uploads\/usu475\/2024\/05\/Captura-de-pantalla-2024-05-07-a-las-16.38.03.png\" alt=\"Captura de pantalla 2024-05-07 a las 16.38.03\" width=\"800\" height=\"590\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">Captura de pantalla 2024-05-07 a las 16.38.03<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div>\r\n\t\t<\/div>\r\n\r\n\t\t<div class=\"slideshow_controlPanel slideshow_transparent\" style=\"display: none;\"><ul><li class=\"slideshow_togglePlay\" data-play-text=\"Visualitza\" data-pause-text=\"Pausa\"><\/li><\/ul><\/div>\r\n\r\n\t\t<div class=\"slideshow_button slideshow_previous slideshow_transparent\" role=\"button\" data-previous-text=\"Anterior\" style=\"display: none;\"><\/div>\r\n\t\t<div class=\"slideshow_button slideshow_next slideshow_transparent\" role=\"button\" data-next-text=\"Seg\u00fcent\" style=\"display: none;\"><\/div>\r\n\r\n\t\t<div class=\"slideshow_pagination\" style=\"display: none;\" data-go-to-text=\"V\u00e9s a la diapositiva\"><div class=\"slideshow_pagination_center\"><\/div><\/div>\r\n\r\n\t\t<!-- WordPress Slideshow Version 2.3.1 -->\r\n\r\n\t\t\t<\/div>\r\n\r\n<\/p>\n<p>Des de principis de maig, es poden veure a les vitrines del passad\u00eds de l&#8217;institut els cristalls que han obtingut al laboratori de f\u00edsica i qu\u00edmica els alumnes de tercer d&#8217;ESO. S\u00f3n unes formacions cristal\u00b7lines molt boniques que atrauen la vista dels qui passen.<\/p>\n<p>La cristal\u00b7litzaci\u00f3 es va fer a principis de febrer del 2024. Utilitzem una t\u00e8cnica marca de la casa: cristal\u00b7litzaci\u00f3 amb capa poli cristal\u00b7lina; aquest m\u00e8tode va ser descobert i perfeccionat per alumnes de batxillerat del nostre institut durant diversos treballs de recerca en cursos passats. El m\u00e8tode \u00e9s relativament senzill i sobretot molt barat perqu\u00e8 vam aprendre a fer-lo utilitzant un fertilitzant dels pagesos, un producte anomenat ADP (dihidrogenofosfat d&#8217;amoni). Aquesta subst\u00e0ncia t\u00e9 la propietat de cristal\u00b7litzar donant unes boniques agulles del sistema tetragonal, \u00e9s a dir, semblant a obeliscs.<\/p>\n<p>Despr\u00e9s de la cristal\u00b7litzaci\u00f3 inicial, vam deixar els cristalls a la vitrina submergits en soluci\u00f3 saturada d&#8217;ADP durant dos mesos perqu\u00e8 amb l&#8217;evaporaci\u00f3 de l&#8217;aigua an\u00e9s augmentant la mida del cristall.<\/p>\n<p>I per qu\u00e8 tenen aquestes formes tan boniques? Com es fan? B\u00e9, la resposta \u00e9s a l&#8217;estructura at\u00f2mica-i\u00f2nica de la subst\u00e0ncia. El responsable d&#8217;aquestes formes no \u00e9s cap altre que les lleis de la qu\u00edmica i la cristal\u00b7lografia.<\/p>\n<p>Andreu Faro. Departament de Ci\u00e8ncies Naturals<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des de principis de maig, es poden veure a les vitrines del passad\u00eds de l&#8217;institut els cristalls que han obtingut al laboratori de f\u00edsica i qu\u00edmica<\/p>\n","protected":false},"author":1,"featured_media":11411,"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":[29],"tags":[],"class_list":["post-11417","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-portada"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/posts\/11417","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/comments?post=11417"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/posts\/11417\/revisions"}],"predecessor-version":[{"id":11418,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/posts\/11417\/revisions\/11418"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/media\/11411"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/media?parent=11417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/categories?post=11417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/tags?post=11417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}