An aqueous solution of ammonia containing twenty-eight per cent, by
weight of the gas.
DERIVATION.--Evolve ammonia gas by heating ammonium chloride with
calcium hydrate and pass it into water.
PROPERTIES.--A colorless, transparent liquid, having an excessively
pungent odor and a caustic alkaline taste.
DOSE.--Horses and cattle, 2 to 4 drs.; sheep and pigs, ¹⁄₂ to 1 dr.;
dogs, 5 to 10 m. Should be diluted one drachm to one pint of water.