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Original Articles Open Access
The ultrasonic velocity(U), density(ρ), and viscosity(η) have been measured for ternary mixtures of toluene, N,Ndimethylformamide, and cyclohexane at temperature T = 318 K at different frequencies such as 1 MHz, 4 MHz, 6 MHz, and 8 MHz. These experimental data’s have been used to estimate the parameters such as adiabatic compressibility (β), intermolecular free length (Lf), internal pressure (ÃÂi), free volume (Vf), acoustic impedance (Z), surface tension (S) and their excess values. In particular, it is seen that their exist some molecular interaction between the components of the mixture.
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Author(s): Manoj Kumar Praharaj
Ultrasonic velocity, thermodynamic parameters, excess values., Molecular interactions