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Barium carbonate is made commercially from barium sulfide either by treatment with sodium carbonate at 60 to 70 °C (soda ash method) or by passing carbon dioxide at 40 to 90 °C.
B 0031 (OTTO) Barium carbonate, 99.997% Cas 513-77-9 - used as a raw material in the electrical engineering industries for glass production, and as a raw material in the magnet manufacturing industry