|
Physical and Chemical Properties
|
Physical State
|
Reddish
crystalline powder
|
Melting Point
|
96-97 °C
|
Boiling Point
|
735 °C
|
Specific Gravity
|
2.03
|
Solubility in Water
|
Soluble (soluble
in methanol)
|
NFPA Ratings
|
Health: 2;
Flammability: 0; Reactivity:0
|
Stability
|
Stable under
ordinary conditions. Hygroscopic.
|
|
|
|
Applications
|
|
Cobalt Sulfate is used to prepare pigments for decorating
porcelains and other cobalt salts. It is used in storage batteries and
electroplating baths. It is used in sympathetic inks and as an additive
to soils and animal feeds. It is used as a colorant in ceramics and
manufacturing glass.
|
|
Sales Specification
|
|
Assay (Co):
|
20.0% Min
|
|
Insoluble in:
|
0.02% Max
|
|
Chloride (Cl):
|
0.05% Max
|
|
Nitrate (NO3):
|
0.2% Max
|
|
Mn:
|
0.05% Max
|
|
Fe:
|
0.002% Max
|
|
Ni:
|
0.05% Max
|
|
Zn:
|
0.055 Max
|
|
Heavy metal (Cu):
|
0.005% Max
|
|
|
|
|
