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recycling gold using sodium nitrate

recycling gold using sodium nitrate

Jan 18 2012 · 1 When used to dissolve gold powders use 4 mL of 31 HCl per gram of gold plus 1343 g NaNO3 sodium nitrate per gram of gold to be dissolved or 1597 g KNO3 potassium nitrate per gram of gold to be dissolved 2 When used to dissolve copper based scrap 4 mL of 31 HCl per gram of copper plus 535 g NaNO3 per gram of copper to be

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