Silver from Silver Sulfate - Gold Refining Forum.com

 · I took sterling and dissolved it in HNO3 50/50 with H2O. I was going to use the sodium formate method to precipitate the . In the process of trying to get rid of any Pb, I think I got carried away with using too much H2SO4 and most likely have a lot of sulfate. I dont know now how much is sulfate vs. lead sulfate.

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