Formula: CuO
Molecular weight: 79.54
Status: black or brownish black powder, insoluble in water And ethanol, soluble in acid, liquid ammonium chloride and potassium cyanide.
Usage: Mainly applies to electric plating , magnetic material, enamel coloring, ceramics pigment and copper salt.
Packing: 25/50kgs nylon sack
|
Contents % |
Premium Grade % |
First Grade % |
|
CuO ≥ |
99 |
98 |
|
Insol.in Hcl ≤ |
0.05 |
0.20 |
|
Soluble in Water ≤ |
0.01 |
0.10 |
|
Cl- % ≤ |
0.02 |
0.20 |
|
SO42- % ≤ |
0.05 |
0.20 |
|
Sieve (mesh) |
-300 |
-200 | |