calcium sulfite
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calcium sulfite
[′kal·se·əm ′səl‚fīt] (inorganic chemistry)
CaSO3·2H2O A white powder that is soluble in dilute sulfurous acid; may be dehydrated at 150°C to the anhydrous salt; used in the sulfite process for the manufacture of wood pulp.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.