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Heavy Water of Crystallisation

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Abstract

THE dissociation pressures of copper sulphate pentadeuterate, CuSO4.5D2O, as found by a tensimetric method1, are: at 25° C., p1 = 6.655 mm. Hg.; at 30° C., p2 = 9.285 mm. Hg. From these figures the heat of combination with liquid deuterium oxide is given by the equation: where 1 and 2 are the vapour pressures of deuterium oxide.

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References

  1. NATURE, 137, 707 (1936).

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  2. G. N. Lewis and R. T. Macdonald, J. Amer. Chem. Soc., 55, 3057 (1933); NATURE, 132, 248 (1933).

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Authors and Affiliations

  1. Queen Mary College, London

    J. R. PARTINGTON & K. STRATTON

Authors
  1. J. R. PARTINGTON
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  2. K. STRATTON
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PARTINGTON, J., STRATTON, K. Heavy Water of Crystallisation. Nature 137, 1075–1076 (1936). https://doi.org/10.1038/1371075d0

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