1. Aha ngwaahịa: Elu nkenke electrolytic cathode ọla kọpa warara2: Ụdị: warara3: Ihe: ọla kọpa a nụchara anụcha4: Ọnọdụ: olu5: Ọdịnaya mejupụtara: Cu≥99.99%6: ihe: C1100