Molecular Formula: CoSO4·7H2O
Molecular Weight: 281.10
Properties: Brownish yellow or red crystal; density: 1.948g/cm3; melting point: 96.8ºC; soluble in water and methanol, slightly soluble in alcohol; losing water of crystallization at 420ºC.
Applications: Applied in manufacturing lithium battery positive pole material, cobalt salt drier, cobalt pigments, glaze for making ceramics, electroplating industry cobalt plating.
Packaging, Storage and Transportation:
(1) 25kg (NW), external woven bags, lined with PE plastic bag;
(2) Stored in cool and dry warehouses.
Specifications:
Index Name | Specification(%) | Sample Test(%) | |
Co | min | 20 | 20.6 |
Clˉ | max | 0.005 | 0.001 |
Cu | max | 0.01 | 0.002 |
Ca | max | 0.01 | 0.005 |
K+Na | max | 0.02 | 0.005 |
Fe | max | 0.01 | 0.002 |
Al | max | 0.02 | 0.01 |
Mn | max | 0.01 | 0.002 |
Mg | max | 0.01 | 0.002 |