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method of refining gold from sand
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method of refining gold from sand

method of refining gold from sand

The residue was almost purely all of the PMs, in alloy form. There are also acid methods for treating the prepared dust. There are 2 excellent books that generally cover these methods - Hoke's Refining Precious Metal Wastes [affil. link to book on Amazon] and Loewen's Small Scale Refining of Jewellers' Waste [affil. link to book on Amazon]

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