Copper (Cu) extra pure. The quality was identified as 99.9999% A copper ingot. Copper of natural isotopic composition chemical purity - by the main element not lower than 99.9999% Quality control: laboratory in Russia. Quality certificate, chemical composition test report in Russian and English Ingot weight: 1 kg/each. price US$ 400/KG. Available quantity: Over 12,000 Metric Tons Payment terms LC
