1.0Baghete Polistiren MARCUhttps://riz.ro/wpproffulhttps://riz.ro/wp/author/profful/rich600338<blockquote class="wp-embedded-content" data-secret="HVjSgfbStR"><a href="https://riz.ro/wp/2015/04/18/plumb/">Plumb</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://riz.ro/wp/2015/04/18/plumb/embed/#?secret=HVjSgfbStR" width="600" height="338" title="„Plumb” – Baghete Polistiren MARCU" data-secret="HVjSgfbStR" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !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); //# sourceURL=https://riz.ro/wp/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Plumbul Stare naturala Cel mai important minereu de plumb si aproape singurul exploatat pentru obtinerea acestui metal este galena, PbS, care se gaseste in multe regiuni ale globului. Alte minerale continand plumb sunt: anglesita, PbSO4, cerusita, PbCO3, piromorfita, Pb5[(PO4)3Cl], mimetesita,