Molecular formula: BaCO3 Properties: formless white powder Barium carbonate powder BaCO3 % e99.2 Moisture % d0.30 Ignition residue of Hcl insolubles % d0.15 Total sulphur % d0.25 Fe % d0.004 Fineness: floury 125¼ m residue on test sieve % d 0.20 Uses: 1, desulfurization in the production of pentasodium phosphate. 2, used to handle sewage containing chrome 3, used to produce glass products 4, used to produce radioceramic. 5, used to produce carburizer. 6, used as flux . 7, used as water purifier and rodenticide