UREA,PRILLED Aqua regia CO(NH2)2 16 ounces

99% pure prilled Urea, pH balancer. Used in precious metal refining with aqua regia. Added to the filtered solution to balance pH.



Urea-Aqua Regia is a 99% pure, prilled urea that is used in precious metal refining with aqua regia. It is used to:
Adjust pH
Deplete nitric acid
Neutralize excess nitric acid
Prevent gold from redissolving
Urea is also called carbamide