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题名: Hydrophilic interaction capillary electrochromatography for the separation of polar compounds
作者: Ye, ML;  Zou, HF;  Kong, L;  Lei, ZD;  Wu, RN;  Ni, JT
刊名: LC GC NORTH AMERICA
发表日期: 2002-08-01
卷: 19, 期:10, 页:41-46
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: The authors used hydrophillic interaction capillary electrochromatography (CEC) to separate polar compounds. Their system had a capillary column, packed with a hydrophillic, strong cation-exchange material of poly(2-sulfoethyl aspartamide)-silica and a hydrophobic mobile phase, which typically contained 80% acetonitrile. The elution order of polar compounds in hydrophilic interaction CEC is similar to that obtained by normal-phase chromatography, and the retention of solutes increases with their hydrophillicity. The authors obtained column efficiencies of 79,000-111,000 plates/m with separation of some model polar compounds under optimal conditions. The repeatability of their system was good with relative standard deviations of approximately 0.4% and less than 0.7% for void time and solute retention factors, respectively, in 10 consecutive runs.
关键词[WOS]: INTERACTION CHROMATOGRAPHY ;  EXCHANGE CHROMATOGRAPHY ;  LIQUID-CHROMATOGRAPHY ;  PACKING MATERIALS ;  REVERSED-PHASE ;  PEPTIDES ;  RETENTION ;  BEHAVIOR ;  ACIDS
语种: 英语
WOS记录号: WOS:000177811200027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138994
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Dalian 116011, Peoples R China

Recommended Citation:
Ye, ML,Zou, HF,Kong, L,et al. Hydrophilic interaction capillary electrochromatography for the separation of polar compounds[J]. LC GC NORTH AMERICA,2002,19(10):41-46.
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