Barium Hydroxide

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Related to Barium Hydroxide: barium sulphate, nitrogen oxide

barium hydroxide

[′bar·ē·əm hī′dräk‚sīd]
(inorganic chemistry)
Ba(OH)2·8H2O Colorless, monoclinic crystals, melting at 78°C; soluble in water, insoluble in acetone; used for fat saponification and fusing of silicates.
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 It might be outdated or ideologically biased.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 Hydroxide


caustic baryta, Ba(OH)2, a base (alkali). Under ordinary conditions it exists in the form Ba(OH)2-8H20—colorless crystals with a density of 2.18 g/cm3. At 78° C it melts in its own water of crystallization. It is readily soluble in water (3.5g BaO in 100 g H20 at 20° C). The aqueous solution has a strongly alkaline reaction. The saturated aqueous solution of barium hydroxide at ordinary temperatures is called baryta water; upon contact of this solution with air, it absorbs CO2 and becomes turbid owing to the precipitation of barium carbonate. Barium hydroxide is a sensitive reagent for carbonate and sulfate ions. It initiates polymerization reactions and is also used in the production of sugar.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
To make a homogeneous solution of barium hydroxide in water, 0.1734, 0.51402, 0.8567, 1.7134 and 2.5701g of barium hydroxide was added in 500ml beakers marked as B1, B2, B3, B4 and B5 separately, each containing 100ml of de-ionized water.
The container's core consists of a stack of flat sheet-metal envelopes filled with the heat-storage medium-readily available barium hydroxide crystalline salt.
The researchers dip a clean piece of copper foil into an alkaline barium hydroxide solution.