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Published March 1949 | Published
Journal Article Open

Theory of the Thermal Diffusion of Electrolytes in a Clusius Column


A theory is presented which accounts approximately for the apparently anomalous difference between the thermal diffusion coefficients of an ion in the presence and in the absence of other electrolytes; the theory is based on the existence of an electric field parallel to the thermal gradient in the electrolyte as a consequence of the variation in mobility among the various ions present. It is pointed out also that some data on the behavior of electrolytes in a Clusius column are at variance with the Debye exponential law concerning the steady‐state distribution of solute.

Additional Information

© 1949 American Institute of Physics. (Received August 30, 1948) The authors wish to express their appreciation to Professor J. G. Kirkwood and to Professor Leverett Davis, Jr., for helpful discussions and advice.

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