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nature : extracting gold, silver important metallurgical methods. Including cyanide leaching, and the replacement of zinc metal smelting and other soil processes. Crushed ore generally, in full oxygen conditions, using sodium cyanide (or potassium) solution, gold, silver dissolved in solution, the formation of soluble cyanide complex salt, and then use replacement powder electrolytic refining or extraction methods such as gold and silver. This method is particularly applicable to the handling of depleted ore.
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