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salt

sodium chloride
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Also known as: common salt, sodium chloride, table salt
Written by
John M. Hills
Emeritus Professor of Geological Sciences, University of Texas at El Paso. Author of numerous articles on the petroleum and saline deposits of the Permian basin of Texas and New Mexico.
John M. Hills,
Frank Osborne Wood
Former Technical Director, Salt Institute, Alexandria, Virginia.
Frank Osborne Wood•All
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Last Updated: • Article History

salt (NaCl), mineral substance of great importance to human and animal health, as well as to industry. The mineral form halite, or rock salt, is sometimes called common salt to distinguish it from a class of chemical compounds called salts. Properties of common salt are shown in the properties of salttable. Salt is essential to the health of both people and animals. Table salt, used universally as a seasoning, is fine-grained and of high purity. To ensure that this hygroscopic (i.e., water-attracting) substance will remain free-flowing when exposed to the atmosphere, small quantities of sodium aluminosilicate, tricalcium phosphate, or magnesium ...(100 of 2894 words)

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