Chemistry · Metallurgy
कॉपर (तांबे) के विद्युत अपघटनी परिष्करण (electrolytic refining) में प्रयुक्त एनोड और कैथोड क्रमशः होते हैं:
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अशुद्ध कॉपर, शुद्ध कॉपर
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