The influence of pressure and temperature on the critical properties of a nitrobenzene-hexane solution by the NDE method

Abstract
Presented here are the results of measurements of the effect of pressure and temperature on the values of exponents φ and K defined as follows: The magnitude δϵ/E 2 is a measure of the nonlinear dielectric effect (NDE). The nature of the amplitude variations is also shown. Tests were conducted on a nitrobenzene-hexane solution of critical concentration x c = 0.43 mole fraction of nitrobenzene, for which the curve T c(p) describing the variations of critical temperature has been plotted for a wide range of pressures.