Fomula: BaCO3
Molecular Weight: 197.35
Propeties:
White powder, specific gravity 4.43, melting point 1940℃（under 90 atmospheres）. Insoluble in cold water. Dificult to dissolve in boiling water. Slightly soluble in water containing CO2. soluble in acid, poisonous.
Specifications:
BaCO3 98.5%min
Moisture 0.3%max
Sulphide 0.1%max
Fe 0.008%max
Hydrocholoric acid insolubles 0.35%max
Useness(passing through 2300 pore per cm2 residue) 99.7%max
Uses:
As an industrial raw material for manufacturing barium salt dyestuffs glass paint ceramic and radio element etc.
Packing:
in 25/50 kgs net plastic woven bags lined with two kraft paper bags.
