Abstract
The approaches to the evaluation of the conductivity of ion-exchange columns are analyzed. Specifically, the three-wire model and Lichtenecker’s power equation are examined. The problem of how the coefficient of ion-exchange column filling and the parameter characterizing the state of conducting phases with respect to the current flow are related to the parameters involved in the equations of the three-wire model is treated theoretically. The common points and the coincident portions of the functions obtained in each of the approaches and some discrepancies between the functions are found. The discrepancies are determined by the special features of the models under consideration.
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Original Russian Text © N.P. Gnusin, N.P. Berezina, N.A. Kononenko, O.A. Demina, L.A. Annikova, 2009, published in Zhurnal Fizicheskoi Khimii, 2009, Vol. 83, No. 1, pp. 122–126.
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Gnusin, N.P., Berezina, N.P., Kononenko, N.A. et al. The three-wire model and Lichtenecker’s equation for calculations of the conductivity of ion-exchange columns. Russ. J. Phys. Chem. 83, 107–110 (2009). https://doi.org/10.1134/S003602440901021X
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DOI: https://doi.org/10.1134/S003602440901021X