Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5410255 | Journal of Molecular Liquids | 2016 | 5 Pages |
Abstract
The solubility of l-threonine in aqueous ionic liquids, 1-(2-carboxyethyl)-3-methylimidazolium chloride, [HOOCEMIM][Cl] and 1-butyl-3-methylimidazolium bromide, [C4mim][Br] has been measured at various IL concentrations and different pHs at 298.15Â K using gravimetric method. The experimental data for the solubility of l-threonine in aqueous IL solutions were accurately correlated with segment-based local composition models such as Wilson, NRTL and modified NRTL. To gain some information concerning the amino acid stability in ionic liquid solutions, transfer Gibbs free energies (âtransferG) of l-threonine from water to aqueous [HOOCEMIM][Cl] and [C4mim][Br] solutions have been calculated.
Keywords
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Physical Sciences and Engineering
Chemistry
Physical and Theoretical Chemistry
Authors
Mohammed Taghi Zafarani-Moattar, Behnaz Asadzadeh,