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Ionic liquids in electrokinetic chromatography

Yu, RB and Quirino, JP ORCID: 0000-0002-8275-9672 2021 , 'Ionic liquids in electrokinetic chromatography' , Journal of Chromatography A, vol. 1637 , pp. 1-14 , doi:

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There is an interest in the application of ionic liquids as additives into the separation media to improve achiral and chiral separations in electrokinetic chromatography (EKC). This review will critically discuss the developments on the use of ionic liquids in the different modes of EKC during the last five years (2015-mid 2020). A healthy number of 48 research articles searched through Scopus were categorised into two: ionic liquids as sole pseudophase (micelles, microemulsions, ligand exchange pseudophase or molecular pseudophase) and ionic liquids with pseudophase (achiral or chiral). More than half of the papers dealt with chiral separations that were mostly facilitated by another additive or pseudophase. The role of ionic liquids for improvement of separations were analysed, and we provided some recommendations for further investigations. Finally, the use of ionic liquids in different on-line sample concentration or stacking methods (i.e., field enhancement and sweeping) was briefly discussed.

Item Type: Article
Authors/Creators:Yu, RB and Quirino, JP
Journal or Publication Title: Journal of Chromatography A
Publisher: Elsevier Science Bv
ISSN: 0021-9673
DOI / ID Number:
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Crown Copyright © 2020 Published by Elsevier B.V. All rights reserved.

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