Ionic Liquids in Liquid Chromatography pp. 325-350
Authors: (Hongdeng Qiu, Abul K. Mallik, Makoto Takafuji, Shengxiang Jiang, Hirotaka Ihara, Department of Applied Chemistry and Biochemistry, Kumamoto University, Japan, and others)
Abstract: Ionic liquids (ILs) as a new kind of media or materials have been widely studied in broad fields such as material science, catalysis, electrochemistry and analytical chemistry. Interests for ILs in academic and industrial technologies are still increasing due to their unusual chemical and physical properties. In separation science, ionic liquids have been used as extraction media, as mobile phase additives in high-performance liquid chromatography (HPLC), as buffer modifiers in capillary electrophoresis (CE), as stationary phases of gas chromatography (GC) and HPLC, etc. In this chapter, the general physicochemical characters of ILs will be introduced simply and a brief overview of recent developments of ILs in separation science is provided, with a special focus on their use as mobile phase additives and silica-supported IL stationary phases in liquid chromatography.
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