Barium carbonate 1. Cas no.:513-77-9 2. Assay: 99.2% min, 99% min 98.5% min 3. White powder 4. ISO 9000, free samples

Barium carbonate 99.2% min used in barium salt,optical glass ,making ceramic, brick,tile Super quality with competitive price

packing:25kgs net p.p. woven bags with P.E. liner 27MT/20'FCL

Barium carbonate 99.2% min

1) Item: barium carbonate 99.2% min 

2) Molecular formula: BaCO3; molecular weight: 197.35

3) Property: Barium Carbonate appears white free flowing powder, or white amorphous granular

4) Usage: Barium Carbonatemainly used in glass industry and making brick industry, ceramics, tile, water purifying, kinescope glass shell, optical glass, fluorescent light glass, construction material and making other barium salts

5) Barium Carbonate Packing: in 25kg or 50kg plastic woven bag, neutral package

Details 

Test item	Specification
	Reagent grade	Pharmaceutical grade
Appearance	Conform	Conform
Assay [BaCO3] /%	≥99.0	≥99.0
Clarify degrees test	Conform	Conform
Hydrochloric acid insoluble, /%	≤0.01	≤0.05
Free alkali (OH)	≤0.02	≤0.05
Chloride (Cl)/%	≤0.002	≤0.01
sulfide (S)%	≤0.0001	≤0.0005
Nitrogen compounds (N) /%	≤0.002	≤0.005
Calcium and sr /%	≤0.15	≤0.5
Ferric (Fe) /%	≤0.0005	≤0.0015
Heavy metal (Pb) /%	≤0.0005	≤0.001
Sulfuric acid not sediment	≤0.05	≤0.2

Chemical Barium Carbonate