Gold Repurification Jeweler's Bench Sweeps Gold Buttons
sreetips 15:56
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I melt 3 pure gold buttons from a previous video then dissolve in aqua regia and re-purify the gold to three nines fine 999 fine gold
I melt 3 pure gold buttons from a previous video then dissolve in aqua regia and re-purify the gold to three nines fine 999 fine gold
Category (YouTube): Science & Technology
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