Nitric Acid In Gold Ore Processing

Aqua regia - mix one part nitric acid to 3 parts hydrochloric acidr 2bo the container, add 30 milliliter of nitric acid for every ounce of metalo the container, add 120 ml of hydrochloric or muriatic acid for every ounce of metal in the containerllow impure gold to dissolve for an hour to overnight for complete dissolution.

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