Specification Copper concentrated cu 20% up , A), (dry basis) Cu , 20 % up basis (rejected below 15%) Fe ,, 2.00 % maximum As , 0.05 % maximum Cu%: quality of copper F 0.05 % maximum Cd ,, 0.05 % maximum Hg ,, 0.01 % maximum Pb +zn 2.00 % maximum Depending on the buyer's request
