Journal of Pure and Applied Ultrasonics

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Studies of Free Volume, Internal Pressure, Relaxation Time, Excess Enthalpy and Absorption Coefficient in Aprotic-Aprotic Binary Mixture


Affiliations
1 Lecturer, Department of Physics, L.N College, Patkura, Kendrapara-754208, India
2 Reader, Department of Physics, Ravenshaw University, Cuttack-753003, India
 

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.

Keywords

Free Volume, Internal Pressure, Relaxation Time, Excess Enthalpy, Absorption Coefficient.
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  • Studies of Free Volume, Internal Pressure, Relaxation Time, Excess Enthalpy and Absorption Coefficient in Aprotic-Aprotic Binary Mixture

Abstract Views: 346  |  PDF Views: 3

Authors

Ashok Kumar Dash
Lecturer, Department of Physics, L.N College, Patkura, Kendrapara-754208, India
Rita Paikaray
Reader, Department of Physics, Ravenshaw University, Cuttack-753003, India

Abstract


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.

Keywords


Free Volume, Internal Pressure, Relaxation Time, Excess Enthalpy, Absorption Coefficient.

References