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Conductance of 1,1-electrolytes in acetonitrile solutions from −40° to 35°C

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Abstract

Conductance data for perchlorates of Li+, K+, Me4N+, Et4N+, Pr4N+, Bu4N+, iodides of K+, Me4N+, i-Am3BuN+, and tetraphenylborates of Na+, Bu4N+ and i-Am3BuN+ in acetonitrile solution in the temperature range −40° to 35°C are reported. Λ° (limiting molar conductance) and KA (association constant) are evaluated for several temperatures using a conductance equation based on the chemical model of electrolyte solutions including short range forces. Limiting molar ion conductances, λ iΰ , at −35°, −25°, −15°, −5°, 5°, 15° and 25°C are evaluated from temperature dependent limiting transference numbers. Enthalpies and entropies of association, obtained from the temperature dependence of the association constants, are also presented.

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Authors and Affiliations

  1. Institut für Physikalische und Theoretische Chemie, Universität Regensburg, D-8400, Regensburg, Federal Republic of Germany

    J. Barthel, L. Iberl, J. Rossmaier, H. J. Gores & B. Kaukal

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  1. J. Barthel
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  2. L. Iberl
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  3. J. Rossmaier
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  4. H. J. Gores
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  5. B. Kaukal
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Dedicated to the memory of Professor Raymond M. Fuoss.

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Barthel, J., Iberl, L., Rossmaier, J. et al. Conductance of 1,1-electrolytes in acetonitrile solutions from −40° to 35°C. J Solution Chem 19, 321–337 (1990). https://doi.org/10.1007/BF00648139

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  • DOI: https://doi.org/10.1007/BF00648139

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