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steps in gold mining from ore to jewelry
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steps in gold mining from ore to jewelry

Stepfive: The dropping (sedimentation) ofgoldfrom the other metals happens in thisstep.And thisstepis completed by treating the solution with a reducing agent such as SO2, sodium metabisulfite, or other reactants. If you are using either SO2 or sodium metabisulfite (SMBS), thegoldwill not be reduced until the excess or all nitric has been eliminated

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