Abstract
Conductance data are reported for (CH3)4NPF6, (C2H5)4NPF6, PyrHPic, (CH3)4NBF4, and (C7H15)4NPic in propylene carbonate at 25°C in the concentration range (4–16)×10−4 M. The data for salts other than (C2H5)4NPF6 were analyzed by the Justice modification of the Fuoss-Hsia equation and these salts were found to be associated and to form solvent separated ion pairs. The data for (C2H5)4NPF6 which was found to be nonassociated were analyzed by use of the Fuoss-Onsager equation. Application of the Justice-Barthel procedure permitted calculation of the nonCoulombic contribution to the association process. Ionic limiting conductances of several ions were calculated by using known ionic limiting conductances of R4N+ and Pic− ions and molar conductances reported here.
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McDonagh, P.M., Reardon, J.F. Ionic association and mobility. III. Ionophores in propylene carbonate at 25°C. J Solution Chem 25, 607–614 (1996). https://doi.org/10.1007/BF00973089
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DOI: https://doi.org/10.1007/BF00973089