Softened lead is desilverised by which method
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There are two methods of refining proper, namely, fire-refining and electrolytic refining. ... Next, the softened lead is desilverised (gold is removed at the same time) by the Parkes ...
There are two methods of refining proper, namely, fire-refining and electrolytic refining. ... Next, the softened lead is desilverised (gold is removed at the same time) by the Parkes ...
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