Item

Standard I

Standard II

CuO , % ≥

99

98

Muriatic acid insoluble substance ≤ ,%

0.05

0.20

Cl , % ≤

0.02

0.20

SO 4 , % ≤

0.05

0.20

water-insoluble , % ≤

0.01

0.10

Residue on sieve (150um ) ≤ ,%

0.10

Residue on sieve (300um ) ,≤ %

0.10