Abstract

Ultrasonic studies of molecular interaction of gallic acid with ethanol

The ultrasonic study of Gallic acid and Ethanol mixtures has been employed in understanding the nature of the molecular interactions in pure components and their mixtures. The measurement of speed of sound gives valuable information about the physical properties and strength of molecular interactions in the mixtures. The present study reports measurements of densities, viscosity and speed of sound for gallic acid and ethanol at various temperature range 298K, 303K, 308K, 313K . Most of the work on binary mixtures is channelized towards the estimation of thermodynamic parameters like adiabatic compressibility (β), free length (Lf), isothermal compressibility (βi), Gibbs free energy (Δg), internal pressure (πi), free volume (Vf). This parameter has been used to understand different kinds of association in pure components as well as in the binary mixture. Results are used to explain the nature of molecular interactions between mixing compounds


Author(s): G. M. Jamankar and M. S. Deshpande

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