Letter | Published:

Infra-Red Absorption Spectrum of Sulphur Trioxide

Nature volume 142, page 718 (15 October 1938) | Download Citation



THE infra-red absorption spectrum of gaseous and liquid sulphur trioxide has been determined by us, in the laboratory for physical research at the Sor-bonne, in the region extending from 7μ to 14μ, with the help of the self-registering rock salt infra-red absorption spectrometer developed and described by Lambert and Lecomte1.

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  1. 1.

    , et , C.R., 189, 155 (1929).

  2. 2.

    , , and, NATURE, 137, 1033 (1936); Z. phys. Chem., B, 35, 193 ff. (1937).

  3. 3.

    Compare also "Die Theorie der Komplexität und der Allotropie" 262 (1938).

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  1. Laboratory of Physical and Inorganic Chemistry, Amsterdam.

    • H. GERDING
  2. Laboratoire de Recherches Physiques à la Sorbonne, Paris. Aug. 29.

    • J. LECOMTE


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