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Sagar, Sangeeta
- Thermoacoustical and Excess Properties of Binary Mixtures Poly (Ethylene Glycol) Butyl Ether (PEGBE) 206 with 1-Butanol and 2-(Methylamino) Ethanol (MAE)
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1 Department of Physics, University of Lucknow, Lucknow-226007, IN
1 Department of Physics, University of Lucknow, Lucknow-226007, IN
Source
Journal of Pure and Applied Ultrasonics, Vol 40, No 2 (2018), Pagination: 31-38Abstract
In the view of the wide scope of experimental values of thermodynamical properties that allow us to establish new predictive interactions and information about the mixtures of Poly ethylene glycol butyl ether (PEGBE) 206 with 1-Butanol and 2-Methylamino ethanol (MAE) respectively, measurement of the thermophysical properties such as ultrasonic velocity, density and refractive index of binary over the whole composition range at 298.15 K, 303.15 K and 313.15 K under atmospheric pressure. To gain some insight into the molecular interactions present in these mixed solvents, thermodynamic parameters like polarisability, molar refraction, free volume, deviation in ultrasonic velocity, excess internal pressure and molar refraction deviation have been derived. The intermolecular interactions were discussed on the basis of the measured and the derived properties. The caluculated excess values and deviation quantities been fitted to Redlich-Kister polynomial equation. The results were analyzed in terms of molecular interactions and mixing behavior between mixture components with taking into consideration effect of temperature.Keywords
Ultrasonic Velocity, Polarisability, Excess Intermolecular Free Length, Redlich-Kister Polynomial Equation.Full Text
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