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Membrane Potentials II. The measurement of the e. m. f. of cells containing the cation-exchange membrane, cross-linked polymethacrylic acid. ACTA ACUST UNITED AC 1997. [DOI: 10.1098/rspa.1961.0117] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Measurements of membrane potentials, ionic transport numbers, solvent transport numbers, membrane composition and intra-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.
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Tiravanti G, Passino R. A new direct current method for resistance measurements of ionic membranes and its application to composite membranes. J Memb Sci 1983. [DOI: 10.1016/s0376-7388(00)81566-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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