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题名: Separation of anionic compounds by strong anion-exchange capillary electrochromatography
作者: Lei, ZD;  Ye, ML;  Zou, HF;  Wu, RA;  Ni, JY
关键词: capillary electrochromatography ;  strong anion-exchange ;  anionic compounds ;  separation mechanism
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2001-03-01
卷: 29, 期:3, 页:262-266
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 separation of anionic compounds by strong anion-exchange capillary electrochromatography (SAX-CEC) was carried out. It was found that the analytes could he absorbed onto the stationary phase, and this would lessen the retention factors (k*) of the analytes, thus the column separation capability decreased. For the acidic compounds, k* increased with increase of applied voltage. And the change of the applied voltage could provide different separation selectivity for the solutes. The separation with different eluent was studied. It showed that the logarithm of the capacity factor linearly decreased with increase of the logarithm of the ionic strength. The different retention behavior of the anionic compounds in SAX-CEC and CE was also studied.
关键词[WOS]: BARE SILICA ;  ELECTROPHORESIS
语种: 英语
WOS记录号: WOS:000167761200004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138982
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 Res & Anal Ctr, Dalian 116011, Peoples R China

Recommended Citation:
Lei, ZD,Ye, ML,Zou, HF,et al. Separation of anionic compounds by strong anion-exchange capillary electrochromatography[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2001,29(3):262-266.
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