Chemistry Dictionary

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23.9.11

ammonium bitartrate

  9:40 PM    

ammonium bitartrate [ORG CHEM]NH4HC4H4O6 Colorless crystals that are soluble in
water; used to make baking powder and to detect calcium. Also known as monoam-
monium tartrate. { ə mo ¯ n yəmbı ¯ ta ¨ r tra ¯ t}

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ammonium bifluoride

  9:39 PM    

ammonium bifluoride [INORG CHEM]NH4F HF A salt that crystallizes in the orthorhom-
bic system and is soluble in water; prepared in the form of white flakes from ammonia
treated with hydrogen fluoride; used in solution as a fungicide and wood preservative.
Also known as ammonium acid fluoride; ammonium hydrogen fluoride. { ə mo ¯ n
yəmbı ¯ flu ˙ r ı ¯d}

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ammonium bicarbonate

  9:38 PM    

ammonium bicarbonate [INORG CHEM]NH4HCO3 White, crystalline, water-soluble salt;
used in baking powders and in fire-extinguishing mixtures. Also known as ammo-
nium hydrogen carbonate. { ə mo ¯ n yəmbı ¯ ka ¨ r bə na ¯ t}

   /

ammonium benzoate

  9:28 PM    

ammonium benzoate [ORG CHEM]NH4C7H5O2 A salt of benzoic acid prepared as a
coarse, white powder; used as a preservative in certain adhesives and rubber latex.
{ ə mo ¯ n yəm ben zə wa ¯ t}

   /

ammonium aluminum sulfate

  9:27 PM    

ammonium aluminum sulfate [INORG CHEM]NH4Al(SO4)2 12H2O Colorless, odorless
crystals that are soluble in water; used in manufacturing medicines and baking
powder, dyeing, papermaking, and tanning. Also known as alum; aluminum ammo-
nium sulfate; ammonia alum; ammonium alum. { ə mo ¯ n yəm ə¦lu ¨ mə nəm səl fa ¯ t}

   /

ammonium alginate

  9:26 PM    

ammonium alginate [ORG CHEM](C6H7O6 NH4)n A high-molecular-weight, hydrophilic
colloid; used as a thickening agent/stabilizer in ice cream, cheese, canned fruits,
and other food products. { ə mo ¯ n yəm al jə na ¯ t}

   /

ammoniumacetate

  9:25 PM    

ammoniumacetate [ORG CHEM] 1. CH3COONH4 A normal salt formed by the neutraliza-
tion of acetic acid with ammonium hydroxide; a white, crystalline, deliquescent
material used in solution for the standardization of electrodes for hydrogen ions.
2. CH3COONH4 CH3COOH An acid salt resulting from the distillation of the neutral
salt or from its solution in hot acetic acid; crystallizes in deliquescent needles.
3. A mixture of the normal and acetic salts; used as a mordant in the dyeing of wool.
{ ə mo ¯ n yəm as ə ta ¯ t}

   /

ammonia water

  9:24 PM    

ammonia water [CHEM] A water solution of ammonia; a clear colorless liquid that is
basic because of dissociation of NH4OH to produce hydroxide ions; used as a reagent,
solvent, and neutralizing agent. { ə mo ¯ n yə wo ˙ d ər}

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ammoniated mercury

  9:22 PM    

ammoniated mercury [INORG CHEM] HgNH2Cl A white powder that darkens on light
exposure; insoluble in water and alcohol, soluble in ammonium carbonate solutions
and in warm acids; used in pharmaceuticals and as a local anti-infective in medicine.
{ ə mo ¯ n e ¯ a ¯d əd mər kyə re ¯ }

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