◆ Formula:CoSO4·7H2O
◆ molecular Weight :281.10
◆ Status:Light brownish red crystal,soluble in water and methanol,slightly soluble in ethanol and easily effloresces in air.
◆ Usage:Applies to cobalt salt,drying agent for painting,cobalt pigment,additive of alkaline batteries and electroplating.
◆ Packing:25/50/750 Kg plastic bags.
 |
Standard(%) |
Standard(%) |
|
Co≥ |
21.0
|
20.0 |
|
Ni≤ |
0.0008
|
0.001 |
|
Fe≤ |
0.0005
|
0.002 |
|
Cu≤ |
0.0003
|
0.002 |
|
Mn≤ |
0.0005
|
0.002 |
|
Zn≤ |
0.0003
|
0.001 |
|
Na≤ |
0.0015
|
0.002 |
|
Mg≤ |
0.001
|
0.002 |
|
As≤ |
0.001
|
0.001 |
|
Pb≤ |
0.001
|
0.002 |
|
Al≤
|
0.01
|
0.05
|
|
No-3≤
|
/
|
0.05
|
|
Ca |
0.001 |
/ |
|
Water insoluble≤ |
/
|
0.01 |
|
|
|
|
|
