Chemical elements
  Indium
    Isotopes
    Energy
    Production
    Application
    Physical Properties
    Chemical Properties
      Indium Trifluoride
      Indium monochloride
      Indium dichloride
      Indium trichloride
      Indium oxychloride
      Indium monobromide
      Indium tribromide
      Indium oxybromide
      Indium mono-iodide
      Indium di-iodide
      Indium tri-iodide
      Indium perchlorate
      Indium iodate
      Indium sesqui-oxide
      Indium hydroxide
      Indium monosulphide
      Indium disulphide
      Indium sesquisulphide
      Indium trisulphide
      Basic indium sulphite
      Indium sulphate
      Indium sesquiselenide
      Indium selenite
      Indium selenate
      Indium telluride
      Indium silicotungstates
      Indium nitrate
      Indium phosphide
      Indium platinocyanide
      Indium oxalate
      Indium acetylacetonate
    PDB 1ind-1ind

Basic indium sulphite, In2(SO3)3.2In(OH)3






Basic indium sulphite, In2(SO3)3.2In(OH)3.5H2O, is obtained as an insoluble, white precipitate when a solution of an indium salt is boiled with sodium or ammonium sulphite. It dissolves in cold aqueous sulphurous acid, but separates out again as a crystalline powder when the solution is boiled. It loses 3H2O at 100°, and another 5H2O at 260°. At 280° sulphur dioxide begins to be evolved, and when further heated a residue of indium sesqui-oxide is ultimately obtained.


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