{"version":"1.0","provider_name":"Chemuza","provider_url":"https:\/\/chemuza.org\/nl","author_name":"Redactie","author_url":"https:\/\/chemuza.org\/nl\/author\/redactie\/","title":"Selenium - Chemuza","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"q6tQr5xqq3\"><a href=\"https:\/\/chemuza.org\/nl\/selenium\/\">Selenium<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/chemuza.org\/nl\/selenium\/embed\/#?secret=q6tQr5xqq3\" width=\"600\" height=\"338\" title=\"&#8220;Selenium&#8221; &#8212; Chemuza\" data-secret=\"q6tQr5xqq3\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/chemuza.org\/nl\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Selenium is aanwezig in de aardkorst, voornamelijk in de bodem en rotsen. Het wordt meestal aangetroffen als seleniden in zware elementen en in kleinere hoeveelheden met zowel een vrij element als elementaire zwavel. Bovendien kan het biologisch worden verkregen in bepaalde groenten, granen en fruit. Ken de oorsprong, de eigenschappen en de brede toepassingen ervan. ... Lees verder"}