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Title: Molecular interactions of aniline in toluene + iso-butanol system
Authors: Mahendran, G
Palaniappan, L
Keywords: Azeotropes
Binary mixtures
Ternary mixtures
Molecular interactions
Issue Date: Dec-2011
Publisher: NISCAIR-CSIR, India
Abstract: The separation efficiency of aniline by destructing the azeotropic formation in the binary toluene + iso-butanol has been analysed using ultrasonic techniques. Ultrasonic velocity, density and viscosity values have been measured at 303 K in the ternary system of aniline + toluene + iso-butanol and thermo dynamical approach is applied to evaluate the molar volume, adiabatic compressibility, internal pressure, molar cohesive energy and their excess values. Results are interpreted in terms of molecular interactions between the components of the mixtures and compared with molecular interaction parameter that can highlight the role of aniline in the azeotropic destruction of the chosen binary. Observed excess values lend further support to the interactions found in the binary and ternary systems. The dipole type interaction existing between aniline and iso-butanol is found to be the predominant factor for destructing the azeotrope formation.
Description: 803-808
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.49(12) [December 2011]

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