Letter | Published:

Electrical Conductivity of Solutions of Aluminium (III), Gallium (III) and Indium (III) Iodides in Alkyl Iodides

Nature volume 199, page 1286 (28 September 1963) | Download Citation



SEVERAL investigations have been devoted to the electrical conductivity of aluminium halides in alkyl halide solutions1–5. The conductance of these solutions has been attributed to the formation of some complexes or addition compounds composed of both interacting molecules. No investigations on analogous systems with gallium and indium halides have hitherto been performed. In order to gain more information of the nature of interaction of MI3 with RI, where M is aluminium, gallium or indium and R is an alkyl radical, the conductances of the solutions of aluminium, gallium and indium triiodides in anhydrous methyl, ethyl and propyl iodides were studied. It should be noted that particular attention has been directed to a thorough purification and drying of the reagents, the electrical conductivity being very sensitive to even small concentrations of various impurities.

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    , J. Russ. Phys. Chem. Soc., 34, 466 (1902).

  2. 2.

    , Ber., 64, B, 1369 (1931).

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    , and , J. Amer. Chem. Soc., 71, 2405 (1949).

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    , J. Amer. Chem. Soc., 72, 3619 (1950).

  5. 5.

    , and , J. Chem. Soc., 452 (1955).

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Author information


  1. Department of Radiochemistry, Institute of Nuclear Research, Warsaw.

    • A. HALPERN
  2. Department of Nuclear Chemistry, University of Warsaw.



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