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board with dissolution of gold potassium cyanide

The products includes five series: crusher, sand making machine, powder grinding mill, mineral processing equipment and building materials equipment.In the final stepwe need to make a strongly alkaline solution of gold chloride and potassium ferrocyanide. Using this solution and electrical currentwe can deposit gold over the surface of other metals. This solution contains gold cyanide ionswhich are extremly poisonous..

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