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I've watched a dozen of Sreetips videos and I'm still not sure of his process.
He buys scrap jewelry at swap meets and melts the jewelry down with silver to get an alloy of 1/4 gold and 3/4 silver. Then he dissolves that in nitric acid to get the silver out and he recovers the silver in another process. Then he refines the gold at least one more time to get only the gold and melts that into small bars.
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