barium carbonate

Specifications barium carbonate 99.20% purity Formula: BaCO3 CAS No.: 513-77-9 Appearance: white granular barium carbonate 99.20% purity Formula: BaCO3 CAS No.: 513-77-9 Appearance: white granular Uses: Mainly used in kinescope, optical glass, radio devices, making other barium salts and reagents. Specifications: Item Special grade 1st grade 2nd grade Main content(on BaCO3 basis) 99.2% 99% 98.5% min Moistur 0.3% 0.3% 0.3% max Total sulphur(on SO4 basis) 0.25% 0.35% 0.45% max HCI insoluble matters 0.15% 0.25% 0.50% max Iron (on Fe basis) 0.004% 0.004% 0.008% max Chloride(on CL basis) 0.01% --- --- max Particle Size 850μm sieve residue 1% 1% 1% max 150μm sieve residue 85% 85% 85% min Package: 25kg or 1000kg plastic woven bags lined with plastic bags. H.S.NO.: 28366000 U.N. NO.: 1564 IMDGCODE CLASS: 6.1
mainly used in magnet material, electronical