Urea Aqua Regia 99% Pure Gold Refining Recovery Technical Grade Fertilizer 8 oz

Great for refining and recovery of Gold & Silver Metals!Urea, pH balancer. 8 ounce bag of prilled urea (1LB)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 8 ounces This listing includes: – (1) JSP 8 oz bag of UREA-AQUA REGIA A MUST-HAVE for anyone who works with gold, silver, jewelry, or metals!