ammonium carbonate

American  

noun

Chemistry.

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.

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ammonium carbonate British  

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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Etymology

Origin of ammonium carbonate

First recorded in 1880–85

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Example Sentences

See Examples For:

ammonium carbonate

A dozen cleaning agents were proposed before the restorers settled on a solution of distilled water and 25% ammonium carbonate.

From Time Magazine Archive

The precipitated sulphides, after digesting with soda and washing, are dissolved in nitric acid and the solution boiled with ammonium carbonate.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Cornelius Beringer

Alternatively, though usually less effectively, you could add some ammonium carbonate or sodium bicarbonate to the container.

From Practical Taxidermy A manual of instruction to the amateur in collecting, preserving, and setting up natural history specimens of all kinds. To which is added a chapter upon the pictorial arrangement of museums. With additional instructions in modelling and artistic taxidermy. by Montagu Browne

Phosphatic ammonium carbonate lodges in the gelatinous cartilage and stretches it, when there is a deficiency of lime and magnesia in the food, resulting in rickets.

From Valere Aude Dare to Be Healthy, Or, The Light of Physical Regeneration by Louis Dechmann

The strongest solution in which nitrification has at present commenced contained ammonium carbonate equivalent to 368 milligrammes of nitrogen per liter.

From Scientific American Supplement, No. 470, January 3, 1885 by Various

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