Sodium Silicate

sodium silicate

[′sōd·ē·əm ′sil·ə‚kāt]

(inorganic chemistry)

Na₂SiO₃ A gray-white powder; soluble in alkalies and water, insoluble in alcohol and acids; used to fireproof textiles, in petroleum refining and corrugated paperboard manufacture, and as an egg preservative. Also known as liquid glass; silicate of soda; sodium metasilicate; soluble glass; water glass.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Sodium silicate

A liquid used in asbestos encapsulation, concrete and mortar waterproofing, and high-temperature insulations; also called water glass. This substance is nontoxic when cured but caustic when wet.

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Sodium Silicate

 

any of the sodium salts of silicic acids. Known anhydrous sodium silicates include sodium metasilicate (Na₂O·SiO₂ or Na₂SiO₃), sodium orthosilicate (2Na₂O·SiO₂ or Na₄SiO₄), sodium sesquisilicate (3Na₂O·2SiO₂ or Na₆Si₂O₇), sodium bisilicate (Na₂O·2SiO₂ or Na₂Si₂O₅), and sodium trisilicate(Na₂O·3SiO₂ or Na₂Si₃O₇).

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.