Abstract
It is shown that the full Fuoss-Hsia equation can be extended to fit conductivity data for electrolyte solutions in which ion pairs and triple ions exist at comparable concentrations. The treatment is a three parameter fit of ∧ °, K a , and K t (the limiting molar conductivity, the thermodynamic ion association constant, and the thermodynamic triple ion formation constant, respectively). Using literature conductivity data for 1:1 electrolytes in solvents of low permittivity, it is demonstrated that an excellent fit can be achieved over a wide concentration range. Limitations of the treatment are discussed.
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Salomon, M., Uchiyama, M.C. Treatment of triple ion formation. J Solution Chem 16, 21–30 (1987). https://doi.org/10.1007/BF00647011
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DOI: https://doi.org/10.1007/BF00647011