Now that many scientific investigations focus on ionic liquids (IL) to establish their potential in different chemical processes, their application for the separation of various classes of compounds in capillary electrophoresis has also been recognized. ILs have been used as background electrolytes in aqueous and non-aqueous capillary electrophoresis for the separation of a number of different analyte types providing both control of the electroosmotic flow and the charging of analytes. Besides this ILs are used as micelle-forming compounds and capillary wall modifiers, as well as separation media additives in NACE for contactless conductivity detection.
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