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home made aqua regia gold ore precipitation refining

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Patent US3856507

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Disclosed is a method for recovering gold from solution in aqua regia by adjusting , and precipitation of the gold from the aqua regia , such as ore and tailings ....

Platinum and Palladium Separation Method

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Platinum and Palladium Separation Method Referenced from Recovery and Refining of Prec ious Metals by C W Ammen Procedure Boil the aqua regia ,...