what is electrorefining?
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Answer:
Electrorefining is a process in which materials, usually metals, are purified by means of an electrolytic cell. ... An electric current is passed between a sample of the impure metal and a cathode when both are immersed in a solution containing cations of the metal.
Answer:
Electrorefining:
Electrorefining refers to the process of using electrolysis to increase the purity of a metal extracted from its ore (compound or mixture of compounds from which a metal can be extracted commercially). ... Electrorefining can be used to purify a number of metals including copper, nickel, cobalt, lead and tin.