... Uses: 1, desulfurization in the production of pentasodium phosphate. 2, used to handle sewage containing chrome3, used to produce ... Technical parameters: national standard: GB1614-99 Barium carbonate powderItem\Index\GradeTop gradeBaCO3 %≥99.2Moisture %≤0.30Ignition residue of Hcl ... 0.004Fineness:floury 125μm residue on test sieve %≤0.2 Cautions: 1, inorganic toxic chemicals, hazardous code 83004, ...