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Copper is purified by electrolysis small limestone mineral sizers. In this process copper is transferred from an impure anode to the cathode of an electrolytic cell. The insoluble impurities fall to the bottom. The copper produced by this process is 99 twin shaft mineral sizer.99% pure copper large aluminum hydroxide double roll crushers. This is similar to the electrolysis that is done in a school lab. barite
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