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Discuss Chemical Reaction Of Gold Mining By Small

Discuss Chemical Reaction Of Gold Mining By Small

2016-2-17The leach process involves a chemical reaction between metallic gold and the thiosulphate anion with oxygen as the oxidant and ammonium and copper ions as unconsumed catalysts in the reaction. One possible scheme for the overall reaction is presented below 4Au 8S 2 O 3 2 O 2 2H 2 O 4Au S 2 O 3 2 3 4OH.

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