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
