Journal
JOURNAL OF CHEMICAL THERMODYNAMICS
Volume 41, Issue 12, Pages 1419-1423Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jct.2009.06.020
Keywords
Physical properties; Ionic liquid; BMpyr NTf2; P-66614 dca; Extraction
Categories
Funding
- Ministerio de Educacion y Ciencia (Spain) [CTQ2007-61272]
- Fundacao para a Ciencia e Tecnologia [PTDC/CTM/73850/2006]
- Fundação para a Ciência e a Tecnologia [PTDC/CTM/73850/2006] Funding Source: FCT
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Density, speed of sound, refractive index, and dynamic viscosity of the ionic liquids (ILs) 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, BMpyr NTf2, and trihexyl(tetradecyl) phosphonium dicyanamide, P-66614 dca, were studied as a function of temperature at atmospheric pressure. Thermal expansion coefficient, alpha(p), molecular volumes, and standard entropies of these ILs were calculated from the experimental density values. The solubility of three aromatic components (benzene, toluene, and ethylbenzene) in the selected ILs was carried out at T = 298.15 K and atmospheric pressure and compared with literature values for sulfolane. (C) 2009 Published by Elsevier Ltd.
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