por | Jul 19, 2026
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
por | Jul 19, 2026
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.
