Journal of Pure and Applied Ultrasonics

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Study of Molecular Interaction in Ternary Liquid Mixture of an Aprotic Liquid Using Ultrasonic and Viscosity Probes


Affiliations
1 Department of Physics, L.N. College, Patkura, Kendrapara-754134, India
2 Department of Physics, Ravenshaw University, Cuttack-753003, India
 

The ultrasonic velocity density and coefficient of viscosity of the ternary mixture of dimethyl acetamide, isobutyl methyl ketone and diethyl ether at frequencies 2MHz, 4MHz, 6MHz and 8MHz have been measured at temperature 308K. Adiabatic compressibility, intermolecular free length, free volume, internal pressure and their respective excess values have been computed for entire range of mole fraction and are interpreted to explain molecular interaction occurring in the liquid mixture. Relaxation time, excess enthalpy and absorption coefficient have been calculated and discussed. The negative excess values of coefficient of viscosity indicate the presence dispersion, induction and dipolar forces in ternary liquid mixture.The negative values of excess adiabatic compressibility, excess free length, excess free volume and excess enthalpy and the positive values of excess internal pressure indicate the presence of specific interactions in the ternary liquid mixture.

Keywords

Ternary Mixture, Ultrasonic Velocity, Relaxation Time, Excess Enthalpy, Absorption Coefficient.
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  • Dash A. K. and Paikaray R., Acoustical study on ternary mixture of dimethyl acetamide (DMAC) in diethyl ether and isobutyl methyl ketone at different frequencies, Phys. Chem. Liq., 51 (2013) 749-763.

  • Dash A. K. and Paikaray R., Molecular interaction studies in ternary liquid mixture of dimethylacetamide using ultrasonic technique at 308 K, Phys. Chem. Liq., 53 (2015) 230-241.

  • Dash A. K. and Paikaray R., Study of molecular interaction in binary liquid mixture of dimethyl acetamide and acetone using ultrasonic probe, Adv. Appl. Sc. Res., 4 (2013) 130-139.

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  • Mehra R. and Malav B.B., Acoustic,volumetric and visco metric studies in aqueous galactose solution in the presence of sodium chloride 298,308 and 318K, Res. J. Pharm. Bio. Chem. Sc., 2(3) (2011) 709-719.


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  • Study of Molecular Interaction in Ternary Liquid Mixture of an Aprotic Liquid Using Ultrasonic and Viscosity Probes

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Authors

Ashok Kumar Dash
Department of Physics, L.N. College, Patkura, Kendrapara-754134, India
Rita Paikaray
Department of Physics, Ravenshaw University, Cuttack-753003, India

Abstract


The ultrasonic velocity density and coefficient of viscosity of the ternary mixture of dimethyl acetamide, isobutyl methyl ketone and diethyl ether at frequencies 2MHz, 4MHz, 6MHz and 8MHz have been measured at temperature 308K. Adiabatic compressibility, intermolecular free length, free volume, internal pressure and their respective excess values have been computed for entire range of mole fraction and are interpreted to explain molecular interaction occurring in the liquid mixture. Relaxation time, excess enthalpy and absorption coefficient have been calculated and discussed. The negative excess values of coefficient of viscosity indicate the presence dispersion, induction and dipolar forces in ternary liquid mixture.The negative values of excess adiabatic compressibility, excess free length, excess free volume and excess enthalpy and the positive values of excess internal pressure indicate the presence of specific interactions in the ternary liquid mixture.

Keywords


Ternary Mixture, Ultrasonic Velocity, Relaxation Time, Excess Enthalpy, Absorption Coefficient.

References