1.1 This standard covers electrolytic copper ingots and fire-refined copper. The copper covered by this standard corresponds to co-electrolyte or fire-refined copper that must meet all the requirements specified in this standard. Its chemical composition must be in accordance with the following: Element Composition in % Copper + Silver 99.9 Arsenic maximum 0.012 Antimony maximum 0.003 Nickel maximum 0.05 Bismuth maximum 0.003 Iron maximum 0.02 Lead maximum 0.004 Other components 0.008