引用本文:
Li Jun HE, Wen Zhu ZHANG, Bo WEN, Xia LIU, Sheng Xiang JIANG. Separation of Ephedrines Using 1-Butyl-3-methylimidazolium-tetrafluoroborate Ionic Liquids as Eluent in High-performance Liquid Chromatography (HPLC)[J]. Chinese Chemical Letters,
2003, 14(6): 603-604.
Citation: Li Jun HE, Wen Zhu ZHANG, Bo WEN, Xia LIU, Sheng Xiang JIANG. Separation of Ephedrines Using 1-Butyl-3-methylimidazolium-tetrafluoroborate Ionic Liquids as Eluent in High-performance Liquid Chromatography (HPLC)[J]. Chinese Chemical Letters, 2003, 14(6): 603-604.
Citation: Li Jun HE, Wen Zhu ZHANG, Bo WEN, Xia LIU, Sheng Xiang JIANG. Separation of Ephedrines Using 1-Butyl-3-methylimidazolium-tetrafluoroborate Ionic Liquids as Eluent in High-performance Liquid Chromatography (HPLC)[J]. Chinese Chemical Letters, 2003, 14(6): 603-604.
Separation of Ephedrines Using 1-Butyl-3-methylimidazolium-tetrafluoroborate Ionic Liquids as Eluent in High-performance Liquid Chromatography (HPLC)
摘要:
A simple, effective HPLC method for separation of ephedrines was achieved by using1-butyl-3-methylimidazolium-tetrafluoroborate ionic liquid solution (0.1% v/v) as eluent at pH 3.0.The involved mechanism may be due to that the imidazolium cations can effectively shield thesilanol groups of alkylsilica surface, thereby decreasing band tailing and increasing the separationefficiency.
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关键词:
- Ionic liquid
- / ephedrine
- / HPLC
English
Separation of Ephedrines Using 1-Butyl-3-methylimidazolium-tetrafluoroborate Ionic Liquids as Eluent in High-performance Liquid Chromatography (HPLC)
Abstract:
A simple, effective HPLC method for separation of ephedrines was achieved by using1-butyl-3-methylimidazolium-tetrafluoroborate ionic liquid solution (0.1% v/v) as eluent at pH 3.0.The involved mechanism may be due to that the imidazolium cations can effectively shield thesilanol groups of alkylsilica surface, thereby decreasing band tailing and increasing the separationefficiency.
-
Key words:
- Ionic liquid
- / ephedrine
- / HPLC
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