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