Please use this identifier to cite or link to this item: http://hdl.handle.net/10321/1564
Title: Density and speed of sound of 1-ethyl-3-methylimidazolium ethyl sulphate with acetic or propionic acid at different temperatures
Authors: Singh, Sangeeta 
Bahadur, Indra 
Redhi, Gan G. 
Ramjugernath, Deresh 
Ebenso, Eno, E. 
Keywords: Density;Speed of sound;Ionic Liquid;Carboxylic acid;Redlich–Kister polynomial equation
Issue Date: Nov-2014
Publisher: Elsevier
Source: Singh, S.; Bahadur, I.; Redhi, G.G.; Ebenso, E.E. and Ramjugernath, D. 2014. Density and speed of sound of 1-ethyl-3-methylimidazolium ethyl sulphate with acetic or propionic acid at different temperatures. Journal of molecular liquids. 199 : 518-523.
Abstract: In this work, new density, ρ, and speed of sound, u, were measured for IL, acetic acid, propionic acid, and their binary systems {IL (x1) + acetic or propionic acid (x2)} at 293.15, 298.15, 303.15, 308.15 and 313.15 K under at-mospheric pressure. The IL used in this study was 1-ethyl-3-methylimidazolium ethyl sulphate ([EMIM]+[EtSO4]−). The derived properties such as excess molar volumes, Vm, isentropic compressibility, κs, and deviation in isentropic compressibility, Δκs, were calculated using experimental density and speed of sound data, respectively. Derived properties such as excess molar volumes, Vm, and deviation in isentropic com-pressibility, Δκs, data were fitted to the Redlich–Kister polynomial equation. The measured and calculated data were interpreted on the basis of intermolecular interactions and structural effects between like and unlike mol-ecules upon mixing.
URI: http://hdl.handle.net/10321/1564
ISSN: 0167-7322
Appears in Collections:Research Publications (Applied Sciences)

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