ammonium chloride

1. Chem.: NH4Cl or NH3. HCl, obtained chiefly by neutralizing the liquor of gas-works by HCl. It is then evaporated to dryne and sublimed, and forms a fibrous ma . It is soluble in 2 parts of cold water. It forms double salts with chlorides of Mg, Ni, Co, Mn, Zn, and Cu. It is used on the Continent as a remedy for neuralgia. 2. Min.: The name of a mineral, called also Sal-ammoniac. Formerly it was termed also Chloride of Ammonium. or ammonium nitrate, NH4NO3, NH3. HNO3, crystallises in transparent needles, very soluble in water; by heat is decomposed nitrous oxide, N2O, and 2H2O. ammonium nitrite, NH4.NO2, or NH3. HNO2, is decomposed by heat into N and 2H2O. ammonium phosphate, (NH4)3. PO4 or (NH4). HPO4. Microcosmic salt, used in blowpipe experiments, is an ammonium, hydrogen, and sodium phosphate, Na(NH4). HPO4.