Abstract
IN my letter to NATURE of June 17 I showed that inappreciable separability of the isotopes of chlorine by a special class of chemical change would be difficult to reconcile with Nernst's heat theorem, and in a later issue of NATURE (July 15), at the request of Prof. Soddy, the argument was more fully given. Mr. Core (NATURE, July 29) has endeavoured to remove the difficulty to which attention was directed by me. With most of his deductions I agree, but I am not satisfied that he has reconciled Nernst's theory with the inappreciable separability of the isotopes by the specified chemical method. Mr. Core contends that the solid compound ClCl′ which would actually be formed in the chemical change represented by the equation Cl2 + Cl′2=2ClCl′ is a solid solution—since in the crystal the molecules would be indifferently oriented as ClCl′ or Cl′Cl—and Nernst's theorem cannot be applied to solutions.
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CHAPMAN, D. The Separation of the Isotopes of Chlorine. Nature 106, 9 (1920). https://doi.org/10.1038/106009a0
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DOI: https://doi.org/10.1038/106009a0
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