Abstract
Values of conductivity (σ), viscosity (ηs), and dielectric relaxation time (τD) are reported over several decades for various concentrations of NaCl–glycerol solutions as a function of temperature and concentration. The specific conductivity exhibits a non-Arrhenius temperature dependence of the form A exp[B / (T − T∞)] similar to that of ηs and τD. The dielectric relaxation time was found to be linear with mole-fraction concentration whereas the conductivity saturated at high concentrations (0.07 mole fraction NaCl). The product σηs exhibited a stronger temperature dependence than the product στs, where τs is the shear relaxation time. This suggests that the diffusion of ions is limited by the dynamic structural rearrangement of the solvent rather than simply by a continuous viscous retarding force.
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