Dictionary.net

A white, striated, crystalline mass; odour and taste pungent and ammoniacal: soluble in two parts of water: insoluble in alcohol: effloresces in the air. It is stimulant, antacid, diaphoretic, and antispasmodic. Dose, gr. v to xv. Carbonate of ammonia is at times used to form effervescing draughts. One scruple saturates six fluidrachms of lemon juice, twenty-six grains of crystallized tartaric acid, and twenty-six grains of crystallized citric acid. Carbonate of ammonia is the usual smelling salts. When a few drops of Liquor Ammoniae fortior are added to it coarsely powdered, and some volatile oil, it forms Preston Salts.