Model Number

cobalt sulfate

Cobalt  Sulfate

Formula: CoSO₄.7H₂O                               M.W: 281.10

Properties: It is a red crystal with light brown, soluble in water and methanol, but slightly soluble in ethanol and easily effloresces in air. Its specific gravity is 1.948.

Specification:(%)

      High-grade

Assay (Co)                                              20 min..

Water-insoluble-matter                                  0.02 max..

Chloride (Cl)                                           0.05 max..

Nitrate(NO₃)                                            0.05 max..

Mn                                                          0.05 max.

Fe                                                           0.005max.

Ni                                                            0.1 max.

Zn                                                           0.05 max..

Heavy Metal (as Cu)                               0.005 max..

Application: As starting material for making other cobalt salts; as a drying agent for paintings, cobalt pigment and glazed colored porcelain, additive of alkaline batteries and Co source for electroplating.

Storage: Store at a dry place. Avoid heating and damp.

Packing: 25Kg net. Double plastic bags lined plastic woven sack.