ammonium chloride


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ammonium chloride

ammonium chloride (əmōˈnēəm klôrˈīd), chemical compound, NH4Cl, a white or colorless, odorless, water-soluble, cubic crystalline salt with a biting taste, commonly known as sal ammoniac. It is prepared commercially by reacting ammonia, NH3, with hydrogen chloride, HCl, and is used chiefly in the manufacture of electric dry-cell batteries, in soldering fluxes, in textile printing, and in making other compounds. It is also used in certain medical treatments. It occurs in nature in volcanic regions.
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ammonium chloride

[ə′mōn·yəm ′klȯr‚īd]
(inorganic chemistry)
NH4Cl A white crystalline salt that occurs naturally as a sublimation product of volcanic action or is manufactured; used as an electrolyte in dry cells, as a flux for soldering, tinning, and galvanizing, and as an expectorant.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

sal ammoniac, ammonium chloride

A material used in a soldering flux and as an ingredient in iron cement.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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Instructions are provided for preparing solutions, analyzing spinach extract, titrating reactants to produce ammonium chloride, measuring pH with universal indicators, calculating rate of reaction, and synthesizing copper pigments to make paint.
Everyday investigations for general chemistry
The experiment involved the application of ammonium chloride to an area of 25 [m.sup.2], and then from 6 days to 5 months later taking soil samples at 200-mm intervals down to 2 m depth and analysing them for chloride, ammonium, and nitrate.
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Among them were mercury and sal ammoniac (ammonium chloride), the latter being a white or colorless crystalline salt found in volcanic regions.
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