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Sound Velocity and Temperature Change of Molecular Association

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Abstract

USING an acoustical interferometer (frequency of the quartz crystal, 539·6 kc./s.), we have measured the velocity of sound in various liquids (carbon tetrachloride, benzene, ethyl ether and carbon disulphide) between 80° C. and the melting point of these liquids (see Fig. 1). In order to check the degree of association of the liquids at low temperatures, we computed from our measurements the relative association: R = (vm1/3/dm) /(v1/3/d), using the empirical equation of Rao1, which has also been applied by Weissler2.

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References

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Authors and Affiliations

  1. Physical Laboratory, University of Louvain,

    A. VAN ITTERBEEK & A. DE BOCK

Authors
  1. A. VAN ITTERBEEK
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  2. A. DE BOCK
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VAN ITTERBEEK, A., DE BOCK, A. Sound Velocity and Temperature Change of Molecular Association. Nature 162, 611–612 (1948). https://doi.org/10.1038/162611a0

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