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Title: Thermophysical properties of alkyl acetates in aqueous solutions of ionic liquid {1-butyl-3-methylimidazolium chloride} [bmim][Cl] at different temperatures
Authors: Pal, Amalendu
Kumar, Harsh
Maan, Ritu
Sharma, Harish Kumar
Keywords: Ionic liquid;Alkyl acetate;Apparent molar volume;Apparent molar adiabatic compressibility;Apparent molar expansivity
Issue Date: Jul-2015
Publisher: NISCAIR-CSIR, India
Abstract: Volumetric and acoustic methods have been used to study the interactions of alkyl acetates with the ionic liquid 1-butyl-3-methylimidazolium chloride [bmim][Cl] as a function of temperature. The density, ρ, and speed of sound, u, of methyl acetate, ethyl acetate and butyl acetate in aqueous 1-butyl-3-methylimidazolium chloride solutions have been measured in the temperature interval T = (288.15, 293.15, 298.15, 303.15 and 308.15) K and atmospheric pressure. In the present work, the apparent molar volumes (Vφ), limiting partial molar volumes (Voφ), transfer volumes at infinite dilution (Voφ), adiabatic compressibility (Kφ,s) limiting partial molar adiabatic compressibility (Koφ,s) and the infinite dilution partial molar expansibilities (φoE) along with Hepler’s constant values, (∂2V0 ɸ/∂T2) of alkyl acetates in aqueous ionic liquid solution at the measured temperatures, have been reported. The results have been interpreted in terms of intermolecular interactions capable of existing within the mixture containing ionic liquid and the ester molecules.
Page(s): 436-446
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections: IJPAP Vol.53(07) [July 2015]

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