Specification :

Formula: CoCO3
CAS No.: 513-79-1
M.W.: 118.94

Properties: Pink powders, soluble in inorganic acid and liquid ammonia, insoluble in cool water, and decompose in hot water.

Specification( % ) :
Index High Grade First Grade
Assay ( Co) 46% min 45% min
Fe 0.01 % max 0.05% max
Cu 0.005 % max 0.02% max
Ni 0.2% max 0.3% max
Zn 0.005% max 0.05% max
Na 0.05 % max 0.3% max
Pb 0.005% max 0.05% max
Cd 0.005% max 0.05% max
As 0.002% max 0.02% max
Hg 0.002% max 0.05% max
Sb 0.002% max 0.05% max

Application: Making other cobalt salts, cobalt dyestuff, porcelain coloring and chemical reagent, used as drier agent in dope and painting industry etc.