ammonium carbonate(redirected from E503)
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1. A carbonate of ammonium, (NH4)2CO3.
2. The white, crystalline double salt of ammonium bicarbonate and ammonium carbamate, (NH4)HCO3·NH4CO2NH2, produced commercially and used in smelling salts and baking powder. Also called hartshorn.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Elements & Compounds) an unstable pungent soluble white powder that is a double salt of ammonium bicarbonate and ammonium carbamate: used in the manufacture of baking powder, smelling salts, and ammonium compounds. Formula: (NH4)HCO3.(NH4)CO2NH2
2. (Elements & Compounds) an unstable substance that is produced by treating this compound with ammonia. Formula: (NH4)2CO3
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a water-soluble mixture of carbonate and carbamate of ammonium: used chiefly in smelling salts and baking powder; hartshorn.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||ammonium carbonate - a carbonate of ammonium; used in the manufacture of smelling salts and baking powder and ammonium compounds|
carbonate - a salt or ester of carbonic acid (containing the anion CO3)
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