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Studies of Free Volume, Internal Pressure, Relaxation Time, Excess Enthalpy and Absorption Coefficient in Aprotic-Aprotic Binary Mixture
Ultrasonic velocity (U), density (ρ) and coefficient of viscosity (η) in aprotic-aprotic binary mixture of acetyldimethylamine and isobutyl methyl ketone at different frequencies have been measured at constant temperature 308 K. The observed data have been used to compute free volume (Vf), internal pressure (πi), relaxation time (τ), excess enthalpy (HE) and absorption coefficient (α/f2) for entire range of mole fraction and are interpreted to explain molecular interaction occurring in the liquid mixture.
Free Volume, Internal Pressure, Relaxation Time, Excess Enthalpy, Absorption Coefficient.
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