... of electronic components, such as capacitor, PTC, MLCC. Barium Carbonate (High Purity) Chemical formula: BaCO3Molecular weight: 197.35 Appearance: White powder, Soluble ... ,Insoluble in water,poisonous Typical Analysis: Purity 99.80% min. Moisture 0.10% max. Total Sulphur as SO4 10ppm max. Chloride (Cl ... , electronic ceramics, Electronic components, optical glass, LCD, etc. Barium Carbonate High Purity