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  1. Apr 08, 2007, 03:39 AM
    Original Poster
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    Yarrum
    Yarrum is offline
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    au
    Mar 2007
    Queensland, Australia
    Jackeroo, BH Landstar
    961

    Electrolysis Blackened My Silver

    Just wondering if anyone knows why my silver coin started to go dark when cleaned with electrolysis. It's a 1920 sixpence that is fairly worn and was fairly clean which is why I experimented with it.
    I used a 8.4v / 1amp power supply with a salt water solution.
    My copper coins don't go darker just wondering why silver does.
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