{"version":"1.0","provider_name":"Pakistan Journal of Chemistry","provider_url":"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry","author_name":"admin","author_url":"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/author\/chempublisherspk\/","title":"Quantitative Analysis of Heavy Metals in Used Lubricant Oil (ULO) Collected from Quetta City, Pakistan - Pakistan Journal of Chemistry","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"itNgR1Ii3N\"><a href=\"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2026\/05\/05\/pjc-0926\/\">Quantitative Analysis of Heavy Metals in Used Lubricant Oil (ULO) Collected from Quetta City, Pakistan<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2026\/05\/05\/pjc-0926\/embed\/#?secret=itNgR1Ii3N\" width=\"600\" height=\"338\" title=\"&#8220;Quantitative Analysis of Heavy Metals in Used Lubricant Oil (ULO) Collected from Quetta City, Pakistan&#8221; &#8212; Pakistan Journal of Chemistry\" data-secret=\"itNgR1Ii3N\" 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<\/script>\n","description":"Research Article| Open AccessVolume 16 | Issue 03 | Page 84-89| https:\/\/doi.org\/10.15228\/2026.v16.i3.p09 Quantitative Analysis of Heavy Metals in Used Lubricant Oil (ULO) Collected from Quetta City, Pakistan Nauman AfridiDepartment of Chemistry, University of Balochistan, Quetta, Pakistan.Hydrocarbon Development Institute of Pakistan, Ministry of Energy (Petroleum Division), Pakistan. Nizam Ud-Din BalochDepartment of Chemistry, University of Balochistan, Quetta, [&hellip;]","thumbnail_url":"https:\/\/i.creativecommons.org\/l\/by\/4.0\/88x31.png"}