ammonium carbonate

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nounChemistry.
  1. a water-soluble mixture of ammonium bicarbonate and ammonium carbamate, occurring either as a white powder or in colorless, hard, crystalline masses: used chiefly in the manufacture of smelling salts and baking powder.

Origin of ammonium carbonate

1
First recorded in 1880–85

Words Nearby ammonium carbonate

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British Dictionary definitions for ammonium carbonate

ammonium carbonate

noun
  1. 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: (NH 4)HCO 3 .(NH 4)CO 2 NH 2

  2. an unstable substance that is produced by treating this compound with ammonia. Formula: (NH 4) 2 CO 3

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