Estimating dielectric constants for liquid mixtures at high pressures

Abstract

Electrochemical transport calculations for ions in solutions of liquid mixtures at high pressures require some knowledge of the dielectric constant of the mixture under these conditions. If no reliable experimental dielectric constants are available, a simple linear interpolation method as described here may give useful estimates of sufficient accuracy. In the experimental work described elsewhere,l the dielectric constant of dioxanwater mixtures was of interest, and at an early stage of the work this had not been measured. Recently these data have become a~a i l a b l e ,~ and it is possible to compare the estimates with experimental values. 25% dioxan Pig. 1.-Dielectric constants