Cobaltnitrate CoSO4 Red Powder Manufacturer

      Item

Criterion of detection

 Battery grade

 Electroplate grade

 Industry grade

Co

≧21%

≧20%

≧20%

Ni

≦0.001%

≦0.002%

≦0.8%

Fe

≦0.001%

≦0.002%

≦0.05%

Cu

≦0.001%

≦0.002%

≦0.02%

Zn

≦0.001%

≦0.002%

≦0.03%

Pb

≦0.001%

≦0.002%

≦0.08%

Molecular formula

CoSO4.7H2O

Shape and properties

Brown red crystal, lost 7H2O at 420 ℃, 

soluble in water and methanol, slightly soluble in ethanol, 

easy weathering in the air.

Application

cabaltous nitrateused in the manufacture of cobalt salt catalyst, 

additive and plating paintdrying agent,cobalt pigments, alkaline battery...