{"id":10318,"date":"2023-02-10T14:33:20","date_gmt":"2023-02-10T13:33:20","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/?p=10318"},"modified":"2023-02-24T15:20:30","modified_gmt":"2023-02-24T14:20:30","slug":"la-quimica-dels-silicatstaller-de-vidre","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/general\/la-quimica-dels-silicatstaller-de-vidre\/","title":{"rendered":"La qu\u00edmica dels silicats:taller de vidre"},"content":{"rendered":"<p>En la darrera estada del febrer hem fet vidre a partir de la mat\u00e8ria primera: el di\u00f2xid de s\u00edlici.<\/p>\n<p>El di\u00f2xid de s\u00edlici \u00e9s present en el saul\u00f3 que hi ha a l&#8217;entorn.\u00a0 El taller consisteix en anar a buscar el saul\u00f3, preparar-lo adequadament amb la finalitat d&#8217;obtenir un tamany de gra adequat, detectar el ferro que l&#8217;emmascara i separar-lo mitjan\u00e7ant una reacci\u00f3 qu\u00edmica adequada.<\/p>\n<p>A banda, a partir de di\u00f2xid de silici pur i 2 fonents convenientment pesats i amb el tamany de gra requerit; un cop ben barrejat s&#8217;ha posat en un suport cer\u00e0mic ( gresols) resistent a alta temperatura i s&#8217;ha enfornat.<\/p>\n<p>Aquesta activitat t\u00e9 un car\u00e0cter transversal, ja que enlla\u00e7a un ofici antic relacionat amb\u00a0 Vimbod\u00ed ( Conca de Barber\u00e0), amb el monestir de Poblet i per altra banda amb l&#8217;\u00e0mbit cient\u00edfic.<\/p>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 20%;\"><a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2585.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10313\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2585-768x1024.jpg\" alt=\"\" width=\"103\" height=\"138\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2585-768x1024.jpg 768w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2585-225x300.jpg 225w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2585.jpg 875w\" sizes=\"auto, (max-width: 103px) 100vw, 103px\" \/><\/a><\/td>\n<td style=\"width: 20%;\"><a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2589.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10317 aligncenter\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2589-768x1024.jpg\" alt=\"\" width=\"86\" height=\"115\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2589-768x1024.jpg 768w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2589-225x300.jpg 225w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2589.jpg 805w\" sizes=\"auto, (max-width: 86px) 100vw, 86px\" \/><\/a><\/td>\n<td style=\"width: 20%;\"><a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2609-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10314 aligncenter\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2609-1-768x1024.jpg\" alt=\"\" width=\"87\" height=\"116\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2609-1-768x1024.jpg 768w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2609-1-225x300.jpg 225w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2609-1.jpg 781w\" sizes=\"auto, (max-width: 87px) 100vw, 87px\" \/><\/a><\/td>\n<td style=\"width: 20%;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10315 aligncenter\" style=\"border: none; color: #2795b6; font-size: 16px;\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/unnamed-768x1024.jpg\" alt=\"\" width=\"87\" height=\"116\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/unnamed-768x1024.jpg 768w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/unnamed-225x300.jpg 225w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/unnamed-1152x1536.jpg 1152w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/unnamed-1536x2048.jpg 1536w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/unnamed-scaled.jpg 1920w\" sizes=\"auto, (max-width: 87px) 100vw, 87px\" \/><\/td>\n<td style=\"width: 20%;\"><a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2637.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10316 aligncenter\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2637.jpg\" alt=\"\" width=\"153\" height=\"115\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2637.jpg 1007w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2637-300x225.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2637-768x576.jpg 768w, https:\/\/serveiseducatius.xtec.cat\/cda-monestirs\/wp-content\/uploads\/usu1380\/2023\/02\/IMG-2637-200x150.jpg 200w\" sizes=\"auto, (max-width: 153px) 100vw, 153px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La qu\u00edmica dels silicats<br \/>\nElaboraci\u00f3 de vidre a partir de les mat\u00e8ries primeres<\/p>\n","protected":false},"author":1,"featured_media":10316,"comment_status":"open","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 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