SKY Mining and Construction Machinery Co., Ltd. is a hi-tech, engineering group. We are specialized in the research, development, and production of industrial crushing, powder grinding, mineral processing equipments and other related devices. Our products have been sold to 120 countries and areas of Southeast Asia, East Europe, South America, the Middle East and Africa etc, and more foreign markets will be promoted in future.
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Aqua regia is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3 , Aqua regia dissolves gold, though neither constituent acid will do so alone, , Unprecipitated hexachloroplatinate(IV) is reduced with elemental zinc, and a similar method is suitable for small scale recovery of platinum from.
So it is with the acids used in silver and gold refining , care and common sense , be recovered by using the method I described in my earlier Dummies , 3 apply a mixture of 1:3 nitric/hydrochloric acid (aqua regia) to the.