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
NATURE, 137, 707 (1936).
G. N. Lewis and R. T. Macdonald, J. Amer. Chem. Soc., 55, 3057 (1933); NATURE, 132, 248 (1933).
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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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DOI: https://doi.org/10.1038/1371075d0
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