Journal
ANALYTICA CHIMICA ACTA
Volume 1274, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.aca.2023.341496
Keywords
Chiral ionic liquids; Liquid chromatography; Chiral stationary phase; Capillary electrophoresis; Chiral separation
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Ionic liquids (ILs), as salts in a molten state, have gained significant attention due to their unique properties such as low vapor pressure, high thermal stability, and adjustable viscosity. Chiral ionic liquids (CILs) have been applied in various chromatography and capillary electrophoresis fields to enhance the separation of enantiomers. This review focuses on the recent applications of CILs in high-performance liquid chromatography (HPLC) and capillary electrophoresis (CE) for enantiomeric separation, discussing the separation mechanisms and their potential prospects in chiral liquid chromatography (LC) and CE analysis.
Ionic liquids (ILs), which are salts in a molten state below 100 degrees C, have become a hot topic of research in various fields because of their negligible vapour pressure, high thermal stability, and tunable viscosity. Chiral ionic liquids (CILs) can be applied in chromatography and capillary electrophoresis fields to improve the performance of enantiomeric separation, such as chiral stationary phases (CSPs) and mobile phase additives in highperformance liquid chromatography (HPLC); CSPs in gas chromatography (GC); and background electrolyte additives (BGE), chiral ligands and chiral selectors (CSs) in capillary electrophoresis (CE). This review focuses on the applications of CILs in HPLC and CE for the separation of enantiomers in the past five years. The mechanism for separating enantiomers was explained, and the prospect of the application of CILs in chiral liquid chromatography (LC) and CE analysis was also discussed.
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