Physico-chemical Properties of Binary and Ternary Mixtures of Ethyl Acetate + Ethanol + 1-Butyl-3-methyl-imidazolium bis(trifluoromethylsulfonyl)imide at 298.15 K and Atmospheric Pressure

Densities, viscosities and refractive indices have been measured at 298.15 K and atmospheric pressure for binary and ternary mixtures of ethanol, ethyl acetate and 1-butyl-3-methyl-imidazolium bis(trifluoromethylsulfonyl) imide [C 4 mim][NTF 2 ]. From these experimental properties, the corresponding...

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Bibliographic Details
Published in:Journal of solution chemistry 2010-03, Vol.39 (3), p.371-383
Main Authors: Andreatta, Alfonsina E., Arce, Alberto, Rodil, Eva, Soto, Ana
Format: Article
Language:English
Subjects:
Atmospheric pressure
Barometric pressure
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Ethanol
Ethyl acetate
Ethyl alcohol
Geochemistry
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Oceanography
Physical Chemistry
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Summary:Densities, viscosities and refractive indices have been measured at 298.15 K and atmospheric pressure for binary and ternary mixtures of ethanol, ethyl acetate and 1-butyl-3-methyl-imidazolium bis(trifluoromethylsulfonyl) imide [C 4 mim][NTF 2 ]. From these experimental properties, the corresponding excess properties have been calculated and adequately fitted with the Redlich-Kister polynomial equation. The adjustable parameters and standard deviations between experimental and calculated values are reported. Interest of this mixture is due to the possibility of using [C 4 mim][NTF 2 ] as an entrainer in the extractive distillation of ethanol + ethyl acetate. These results are compared with previously determined experimental data for mixtures of ethyl acetate and/or ethanol with the ionic liquid 1-octyl-3-methyl-imidazolium bis(trifluoromethylsulfonyl)imide, [C 8 mim][NTF 2 ].
ISSN:0095-9782
1572-8927
DOI:10.1007/s10953-010-9507-z