A Triple Salting-Out Effect is Required for the Formation of Ionic-Liquid-Based Aqueous Multiphase Systems
authors Passos, H; Costa, SH; Fernandes, AM; Freire, MG; Rogers, RD; Coutinho, JAP
nationality International
journal ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
author keywords aqueous multiphase systems; dyes; ionic liquids; salting-out effect; separations
keywords CARBON NANOTUBES; MOLECULAR BEARINGS; SOLID-STATE; DYNAMICS; THERMODYNAMICS; MODULATION; TRANSPORT; C-60
abstract Novel aqueous multiphase systems (MuPSs) formed by quaternary mixtures composed of cholinium-based ionic liquids (ILs), polymers, inorganic salts, and water are reported herein. The influence of several ILs, polymers, and salts was studied, demonstrating that a triple salting-out is a required phenomenon to prepare MuPSs. The respective phase diagrams and "tie-surfaces" were determined, followed by the evaluation of the effect of temperature. Finally, the remarkable ability of IL-based MuPSs to selectively separate mixtures of textile dyes is shown.
publisher WILEY-V C H VERLAG GMBH
issn 1433-7851
year published 2017
volume 56
issue 47
beginning page 15058
ending page 15062
digital object identifier (doi) 10.1002/anie.201705704
web of science category Chemistry, Multidisciplinary
subject category Chemistry
unique article identifier WOS:000415211500049
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journal analysis (jcr 2017):
journal impact factor 12.102
5 year journal impact factor 11.954
category normalized journal impact factor percentile 92.105
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