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A radiochemical study of the kinetics of ion exchange on hydrous titanium dioxide

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Abstract

This paper reports a radiochemical study of the kinetics of ion exchange of Na+ and Cs+ with H+ on hydrous titanium dioxide. The experimental conditions are set to favor the particle diffusion mechanism only, and this is confirmed by the Bt versus t plots. On the basis of these studies the various physical parameters such as the effective diffusion coefficients, activation energies and entropies of activation have been evaluated. Tentative explanations are given for these results, from which some conclusions are drawn.

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Authors and Affiliations

  1. Nuclear Chemistry Department, Nuclear Research Centre, Atomic Energy Establishment, P.O. Code 13 759, Cairo, Egypt

    I. M. El-Naggar

  2. Radioisotope Production and Labelled Compounds Department, Atomic Energy Establishment, P.O. Code 13 759, Cairo, Egypt

    M. A. El-Absy

Authors
  1. I. M. El-Naggar
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  2. M. A. El-Absy
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El-Naggar, I.M., El-Absy, M.A. A radiochemical study of the kinetics of ion exchange on hydrous titanium dioxide. Journal of Radioanalytical and Nuclear Chemistry, Articles 157, 313–320 (1992). https://doi.org/10.1007/BF02047446

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  • DOI: https://doi.org/10.1007/BF02047446

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