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CAS NO.1317-38-0
general(1-1000)Metric Tongeneral(1000-5000)Metric Tonsuperior(1-2000)Metric Ton
Item |
Standard I |
Standard II |
CuO, % ≥ |
99 |
98 |
Muriatic acid insoluble substance ≤ ,% |
0.05 |
0.20 |
Cl , % ≤ |
0.02 |
0.20 |
SO4 , % ≤ |
0.05 |
0.20 |
water-insoluble , % ≤ |
0.01 |
0.10 |
Residue on sieve (150um ) ≤ ,% |
|
0.10 |
Residue on sieve (300um ) ,≤ % |
0.10 |
|
Cupric oxide is a kind of +2 valence oxide of copper , black matter, display slightly amphoteric and slightly hygroscopicity, the formula is CuO, relative molecular mass is 79.545 ,density is 6.3~6.9g/cm3, melting point is 1326ºC. It can soluble in acid and solution of ammonium chloride and potassium cyanide, insoluble in water and ethanol , dissolve slowly in ammonia water and react with alkaline solutions.
Project | Indicator |
Copper oxide(CuO) | ≥98% |
Sulphate(SO42-) | ≤0.1% |
Chlorine(Cl-) | ≤0.2% |
Hydrotrope | ≤0.1% |
Rail(Fe) | ≤0.3% |
Lead(Pb) | ≤50ppm |
Cadmium(Cd) | ≤5ppm |
Chrom(Cr Vl) | ND |
Mercury(Hg) | ND |