barium carbonate

American  

noun

Chemistry.

1. a white, poisonous, water-insoluble powder, BaCO 3 , used chiefly in the manufacture of rodenticides, paints, and dyes.

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Etymology

Origin of barium carbonate

First recorded in 1870–75

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Example Sentences

See Examples For:

barium carbonate

Baryta is a heavy greyish powder of specific gravity 4.7, obtained by burning barium in oxygen or from barium nitrate or barium carbonate.

From The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis by Various

In addition to the carburizing materials given, a mixture of 40 per cent of barium carbonate and 60 per cent charcoal gives much faster penetration than charcoal, bone or leather.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Fred H. (Fred Herbert) Colvin

The gallium salts are precipitated by alkaline carbonates and by barium carbonate, but not by sulphuretted hydrogen unless in acetic acid solution.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" by Various

The liquid that had passed over was neutralized with barium carbonate, and the filtrate concentrated, when it yielded crystals, which were recognized as nearly pure acetate.

From Scientific American Supplement, No. 288, July 9, 1881 by Various

As the sodium sulphate is soluble in water, and the barium carbonate insoluble, a separation between them is possible and the sulphur can be determined in the water-soluble portion.

From An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes by Henry P. Talbot

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