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 Arsenates






Thorium hydrogen arsenate,Th(HAsO4)2.6H2O, is precipitated in a crystalline form when a 40 per cent, solution of arsenic acid is added to a boiling solution of thorium nitrate containing 2 per cent, of thoria. Thorium dihydrogen arsenate, Th(H2AsO4)4.4H2O, is obtained as a crystalline precipitate when a solution of thorium nitrate containing 5 per cent, of thoria is treated with a 50 per cent, solution of arsenic acid.


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