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Miller Process Of Refining Gold Ppt

Miller Process Of Refining Gold Ppt

There are two main methods of refining goldthe Wohlwill process or the Miller process. The Wohlwill process was invented in 1875 by Emil Wohlwill and produces gold to a high degree of purity 99.999 percent. The Wohlwill process is an electrochemical process. The Miller process produces a slightly lower purity of gold, only 99.95 percent pure.

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