JSP ® Urea -Aqua Regia 99% Pure for gold refining 4 ounces (gt524)
Urea, pH balancer. 4 oz bag of prilled urea. 99% pure CO(NH2)2 . Urea has several uses in precious metal refining with aqua regia. Add to the filtered AR solution to adjust PH.
JSP ® Urea -Aqua Regia 99% Pure for gold refining 4 ounces (gt524)
Urea, pH balancer. 4 oz bag of prilled urea. 99% pure CO(NH2)2 . Urea has several uses in precious metal refining with aqua regia. Add to the filtered AR solution to adjust PH. gold refining chemicals