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Zeitschrift für Naturforschung A

A Journal of Physical Sciences

Editor-in-Chief: Holthaus, Martin

Editorial Board: Fetecau, Corina / Kiefer, Claus


IMPACT FACTOR 2016: 1.432

CiteScore 2017: 1.30

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Online
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1865-7109
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Volume 54, Issue 5

Issues

Internal Mobilities in the Molten Ternary System (Li,K,Cs)N03 of the Eutectic Composition

Pao-Hwa Chou
  • Department of Electronic Chemistry, Tokyo Institute of Technology, Nagatsuta 4259, Midori-ku, Yokohama 226-8502, Japan
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Ryuzo Takagi
  • Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology, O-okayama 2-12-1, Meguro-ku, Tokyo 152-8550, Japan
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Isao Okada
  • Department of Chemistry, Faculty of Science and Engineering, Sophia University, Kioi-cho 7-1, Chiyoda-ku, Tokyo 102-8554, Japan
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Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/zna-1999-0509

The ε values in the internal cation mobilities of (Li,K,Cs)NO3 of the eutectic composition (35.2-39.8-25.0 mol%) in the temperature range from 453 to 673 K were measured by Klemm's countercurrent electromigration method, where e is defined as (bi-bj)/ba; ba is the average internal cation mobility and the subscripts i and j refer to any two out of these three cations. The conductivity was measured by a direct current method. From these data and the molar volume calculated from those of the pure salts on the assumption of additivity, the internal cation mobilities, bLi , bK and bCs, have been calculated. The bLi is well expressed by the empirical equation presented for binary alkali nitrates; the negative devia-tion for bK and bCs may be accounted for on the assumption of the tranquilization effect of Li+. The orders of those internal cation mobilities are bCs<bK<bLi at 453-473 K, bCs<bLi<bK at 473 -583 K, and bLi<bCs<bK at 583-673 K. These orders can be interpreted in terms of the dynamic dissociation model previously presented.

: Internal Mobility; Molten (Li,K,Cs)NO3; Dynamic Dissociation Model

About the article

Received: 1998-06-12

Published Online: 2014-06-02

Published in Print: 1999-05-01


Citation Information: Zeitschrift für Naturforschung A, Volume 54, Issue 5, Pages 329–334, ISSN (Online) 1865-7109, ISSN (Print) 0932-0784, DOI: https://doi.org/10.1515/zna-1999-0509.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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