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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
This reaction was performed at a pH between 3 and 4 with HCl to prevent precipitation of BaCO3. The precipitation of BaS[O.sub.4] was then filtered using a Buchner funnel and washed with distilled water.
Synthesis of BaCO3 Nanopowder by the Gel-combustion Method at Different Calcination Temperatures and Characterization of the Samples by TEM and XRD.
2012) (5.60x10-9-10 for SrCO3, 2.58x10-9-6 for BaCO3, 5.00x10-9 for CaCO3 and 6.82x10-6 for MgCO3 respectively).
BaCO3, Fe (NO3)3.9H2O and PbO were dissolved in HNO3, DI-H2O and HCl respectively at room temperature along with fast magnetic stirring.
Gulab, Catalytic Degradation of Waste High-Density Polyethylene into Fuel Products Using BaCO3 as a Catalyst, Fuel Process.
Strontium carbonate (SrCO3) and barium carbonate (BaCO3) are among the materials that are widely used in various industries.
The carburizing media used were milled into fine powder while Barium trioxo (iv) carbonate (VI) (BaCO3) was used as an energizer in the carburizing process.
The solution of sulphate was boiled with an excess of BaCO3 for a few minutes and filtered.
Barium carbonate (BaCO3), also known as witherite, is a chemical compound used in used in the production of television glass, glazes, enamel, ceramics and electroceramics, rat poison, bricks, and cement.