Membrane Potentials II. The measurement of the e. m. f. of cells containing the cation-exchange membrane, cross-linked polymethacrylic acid
Open Access
- 4 July 1961
- journal article
- Published by The Royal Society in Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences
- Vol. 262 (1309), 257-270
- https://doi.org/10.1098/rspa.1961.0117
Abstract
Measurements of membrane potentials, ionic transport numbers, solvent transport numbers, membrane composition and mtra-membrane activity coefficients for the system, KOH (aq.)/polymethacrylate membrane/KOH (aq.) are presented and used to test the principal theories of membrane potential. In no case was the agreement between the observed and calculated e.m.f.'s of the appropriate membrane cell sufficient to justify the calculation of membrane potentials from first principles. Possible reasons for these discrepancies are given.Keywords
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