Chemical elements
  Thorium
    Isotopes
    Energy
    Production
    Application
    Physical Properties
    Chemical Properties
      Thorium Hydride
      Thorium Fluoride
      Thorium Oxyfluoride
      Potassium Thorifluoride
      Thorium Chloride
      Thorium Oxychloride
      Complex Thorium Chlorides
      Thorium Bromide
      Thorium Oxybromide
      Thorium Iodide
      Thorium Dioxide
      Thoria
      Metathorium Oxide
      Thorium Hydroxide
      Thorium Superoxide
      Thorium Sulphide
      Thorium Sulphite
      Thorium Sulphate
      Complex Thorium Sulphates
      Thorium Selenite
      Thorium Selenate
      Thorium Nitride
      Thorium Nitrate
      Thorium Orthophosphate
      Thorium Arsenates
      Thorium Carbide
      Thorium Carbonate
      Thorium Formate
      Thorium Acetate
      Thorium Oxalate
      Thorium Tartrate
      Thorium Acetylacetone
      Thorium Silicide
      Thorium Silicate
      Thorium Borides

Thorium Nitride, Th3N4






A Thorium Nitride, Th3N4, was first obtained as a white powder by Chydenius, who heated a mixture of thorium and ammonium chlorides in a current of hydrogen chloride gas; Moissan and Etard also obtained a nitride by heating the carbide in a stream of ammonia. The nitride may also be prepared by heating a mixture of thoria and magnesium or aluminium in a current of nitrogen, or by strongly heating the metal itself in the same gas. Thus obtained it is a yellowish maroon powder having the composition Th3N4; it is slowly. decomposed by cold water, quickly by hot, according to the reaction:

Th3N4 + 6H2O = 3ThO2 + 4NH3.


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