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Anonymous
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I am trying to reduce gold (AuCl3, HAuCl4) from AR solution with ammonium oxalate, woundering anyone can tell me the chemical reactions, and the amount of the ammonium oxalate is needed?
I made a gold plating solution simply by evaporating the gold chloride until it was quite concentrated, then dissolving it in cyanide. Amazing how the dark red/brown solution suddenly becomes almost colorless.Edyu said:I was following the instructions to make potassium gold cyanide chemically: to dissolve the gold in AR, reduce with ammonium osalate, then react with posassium cyanide. I'll appreciate any suggestion of a safer approach.
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