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  1. Jan 20, 2012, 06:29 PM
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    Sandflea28
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    May 2011
    Mesa County, Colorado
    Garrett
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    Aqua Regina Processing

    Anyone familiar with retrieving ore from aqua Regina that has been dried to a powder? A friend has some slurry that has been dried to powder, and wants to process the ores, if any, out of it. Would appreciate any reliable advice.
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  2. Jan 20, 2012, 08:09 PM #2
    homefires
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    deming n.m.
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    Re: Aqua Regina Processing

    What's to process?

    I Bet the gold has been leached out of it.
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  3. Jan 21, 2012, 03:28 AM #3
    U.K. Brian
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    Re: Aqua Regina Processing

    Sodium meta-bisulphate is used after reverse electroplating to dissolve the remaining metals and leave pure 24 kt gold. If he wants to recover other metals I've not a clue and it might not be economical.
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  4. Jan 21, 2012, 06:45 AM #4
    leadnugget
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    Re: Aqua Regina Processing

    aqua Regina is some very, very nasty acid.
    it can ruin your health or kill you if you don't know what your doing.
    there is a very good refining forum here.

    http://goldrefiningforum.com/phpBB3/...647383f4fe1e11

    please be careful and dispose of the left over waste properly.
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