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Preparation and characterization of perhydroxyl-cucurbit[6]uril bonded silica stationary phase for hydrophilic-interaction chromatography
Authors:Liu Si-Min  Xu Li  Wu Cheng-Tai  Feng Yu-Qi
Institution:Department of Chemistry, Wuhan University, Wuhan 430072, PR China
Abstract:In this paper, perhydroxyl-cucurbit6]uril ((HO)12CB6]) was, for the first time, grafted to silica gel as a hydrophilic-interaction chromatographic stationary phase. Several alkaloids were used as probes to investigate the retention mechanism on the new stationary phase. The effect of mobile phase variables such as acetonitrile content, ionic strength and pH on their chromatographic behavior was investigated. The results indicate that the stationary phase behaves as a hydrophilic-interaction chromatographic packing. Finally, several alkaloids were separated on the stationary phase.
Keywords:Hydrophilic-interaction chromatography  Perhydroxyl-cucurbit[6]uril  Alkaloids
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