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13 June 1997 Dielectric spectroscopy of electrolyte solutions: a comparison of the lower-frequency (ionic) relaxation contribution in various polar solvents
Martina Stockhausen
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Proceedings Volume 3181, Dielectric and Related Phenomena: Materials Physico-Chemistry, Spectrometric Investigations, and Applications; (1997) https://doi.org/10.1117/12.276251
Event: Dielectric and Related Phenomena: Materials Physico-Chemistry, Spectrometric Investigations, and Applications, 1996, Szczyrk, Poland
Abstract
The dielectric loss spectrum of liquid salt solutions consists of a conductivity and a relaxational contribution, and the latter can eventually be described by distinguishable spectral components. Here the lowest frequency component is considered which is due to ionic processes. Comparing a variety of solutions it is found that the respective relaxation times are in accord with the tumbling motion of solvent shared ion pairs in some cases. In others, however, they tend to comply with an upper limit correlated to the solution viscosity in a manner which seems to indicate a relaxation mechanism of general nature.
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Martina Stockhausen "Dielectric spectroscopy of electrolyte solutions: a comparison of the lower-frequency (ionic) relaxation contribution in various polar solvents", Proc. SPIE 3181, Dielectric and Related Phenomena: Materials Physico-Chemistry, Spectrometric Investigations, and Applications, (13 June 1997); https://doi.org/10.1117/12.276251
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KEYWORDS
Dielectric spectroscopy
Dielectrics
Ions
Liquids
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