Barium Carbonate

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barium carbonate

[′bar·ē·əm ′kär·bə·nət]
(inorganic chemistry)
BaCO3 A white powder with a melting point of 174°C; soluble in acids (except sulfuric acid); used in rodenticides, ceramic flux, optical glass, and television picture tubes.

Barium Carbonate


BaCO3, a salt; colorless crystals with a density of 4.3–4.4 g/cm3 and a melting point of 1740° C. Poorly soluble in water (20 mg per liter at 18° C) and highly soluble in hydrochloric and nitric acids. Barium carbonate is found in nature in the form of the mineral witherite. It is produced from barium sulfide by the reaction BaS + H2O + CO2 = BaCO3 + H2S. It is used in producing other barium compounds, in softening water, and in the manufacture of optical glass, enamels, and glazes.

References in periodicals archive ?
The solution of sulphate was boiled with an excess of BaCO3 for a few minutes and filtered.