Kinetics of ion exchange. Part 1
- 1 January 1968
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Transactions of the Faraday Society
- Vol. 64, 3383-3392
- https://doi.org/10.1039/tf9686403383
Abstract
A computer programme has been developed which allows a determination of the kinetics of ionexchange to be made using a finite difference solution for a system whose differential inter-diffusion coefficient is given by [graphic omitted] D* A, D* B are the self-diffusion coefficients of the ions A and B respectively and the concentrations, valencies, and activities of these ions in the exchanger are given by C, Z, and a respectively. The solutions have been compared with the experimental kinetics for the exchange Ca2+⇌ Sr2+ in chabazite. The activity terms have a profound influence on the rates of exchange.Keywords
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