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Journal of Solution Chemistry

, 40:1458 | Cite as

Density, Viscosity, Velocity and Refractive Index of Binary Mixtures of Poly(Ethylene Glycol) 200 with Ethanolamine, m-Cresol and Aniline at 298.15 K

  • Maimoona Yasmin
  • Manisha Gupta
Article

Abstract

Densities, absolute viscosities, ultrasonic velocities and refractive indices of binary mixtures of poly(ethylene glycol) 200 with ethanolamine, m-cresol and aniline have been measured at 298.15 K, under atmospheric pressure, over the entire composition range. The experimental data have been used to calculate acoustic impedance, specific heat ratio and relative association for these binary mixtures. Excess molar volume, deviation in viscosity, deviation in refractive index, deviation in isentropic compressibility, excess acoustical impedance and excess Gibbs energy of activation for viscous flow have been plotted to determine the nature and extent of interaction present in the solutions. The results have been fitted to Redlich-Kister polynomial equation. The results have been explained in terms of specific intermolecular and intramolecular interactions present in the mixtures and are found to support each other. The isothermal compressibility for the binary mixtures was predicted by an equation based on Flory’s statistical theory and three rigid sphere equations.

Keywords

Poly(ethylene glycol) 200 Ethanolamine m-Cresol Aniline Viscosity 

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Department of PhysicsUniversity of LucknowLucknowIndia

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