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MOLECULAR FORMULA : CoSO4·7H2O
MOLECULAR WEIGHT : 281.10
PROPERTY:palm and red crystal.density is 1.948,melting point is 96.8centigrade,water losed when heated to 420 centigrade,can be solved in water and methanol and solved little in ethanol.ethanol,easily airslaked when exposed in air.
QUALITY INDEX(%) |
| Grade |
Co≥ |
Content of impurity(≤)
|
| Fe |
Cu |
Zn |
Ni |
undissolved substance |
| First class |
20.0 |
0.03 |
0.03 |
0.02 |
0.05 |
0.1 |
| second class |
20.0 |
0.05 |
0.10 |
0.05 |
0.1 |
0.1 |
|
USE:used as oxidizer,oil paint,pottery and enamel material;cobalt catalyzer;
PACKING:packed in metal pail and sealed inside by cohesion ethene,net weight is 50kilogram per bucket;packed in plastica calcium box and sealed inside by cohesion ethene,net weight is 25 kilogram per box |
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