ACOUSTIC PROPERTIES OF SOME TERNARY MIXTURES.

Acoustic properties of ternary mixtures of some commonly known liquids, viz. ethanol-n-propanol-water; have been studied using an ultrasonic pulse-echo technique. It is found that the variation of transit time (which is a measure of the variation of acoustic velocity and compressibility) and absorption coefficient, with variation in the concentration of a component of the mixture, can be represented by a quadratic equation, typical of a relaxation process.