Non-linearity parameter B/A of binary liquid mixtures at elevated pressures

J D PANDEY, J CHHABRA, R DEY, V SANGURI and R VERMA

Department of Chemistry, University of Allahabad, Allahabad 211 002, India

Abstract.

When sound waves of high amplitude propagate, several non-linear effects occur. Ultrasonic studies in liquid mixtures provide valuable information about structure and interaction in such systems. The present investigation comprises of theoretical evaluation of the acoustic non-linearity parameter B/A of four binary liquid mixtures using Tong and Dong equation at high pressures and T=303.15 K. Thermodynamic method has also been used to calculate the non-linearity parameter after making certain approximations.

Keywords: Non-linearity parameter; binary liquid mixtures; ultrasonic velocity.

Pacs No. 43.25.+y; 43.25.Ba; 82.60.s