chemical methods used to refine gold

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    Copper is one of the basic chemical elements. In its nearly pure state, copper is a reddish-orange metal known for its high thermal and electrical conductivity.

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  • How to refine gold

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    • Gold Refining Methods, Wohlwill process, Miller

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      • Standard Test Method for Chemical Analysis of Refined Gold ...

        E1446 13 Standard Test Method for Chemical Analysis of Refined Gold by Direct Current Plasma Atomic Emission Spectrometry , DCP

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