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Chromatographic behavior of poly(styrene-divinybenzene) encapsulated packing material for capillary elechochromatography
Zhang, GD; Xu, BJ
关键词stationary phases CEC electroosmotic how poly(styrene-divinylbenzene) hydrocarbons aromatic
刊名JOURNAL OF CHROMATOGRAPHY A
2001-04-06
912期:2页:335-342
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Biochemical Research Methods ; Chemistry, Analytical
研究领域[WOS]Biochemistry & Molecular Biology ; Chemistry
关键词[WOS]PERFORMANCE LIQUID-CHROMATOGRAPHY ; PACKED CAPILLARIES ; REVERSED-PHASE ; STATIONARY PHASES ; ELECTROCHROMATOGRAPHY ; SILICA ; ENANTIOSEPARATIONS ; ELECTROPHORESIS ; SEPARATION ; FLOW
英文摘要

Poly(styrene-divinylbenzene) encapsulated silica (PS-DES) was synthesized and its characteristics as capillary electrochromatography stationary phase were studied. On capillary columns packed with this stationary phase, the effects of acetonitrile concentration as well as pH values on electroosmotic flow, and the effect of the latter on column efficiency were evaluated. Aromatic hydrocarbons, polar and basic medicinal compounds were successfully separated by using reversed-phase elution. it was evident that selectivity based on pi-pi electronic interaction between solute and stationary phase molecules contributed to the separation. Peaks in the chromatograms obtained were generally symmetrical. At a pH of the mobile phase as high as 11.2, the stationary phase was still stable after more than 160 h of exposure. (C) 2001 Elsevier Science B.V. All rights reserved.

语种英语
WOS记录号WOS:000167803200014
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/63434
专题北京大学药学院
作者单位Peking Univ, Sch Pharmaceut Sci, Dept Analyt Chem, Beijing 100083, Peoples R China
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Zhang, GD,Xu, BJ. Chromatographic behavior of poly(styrene-divinybenzene) encapsulated packing material for capillary elechochromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2001,912(2):335-342.
APA Zhang, GD,&Xu, BJ.(2001).Chromatographic behavior of poly(styrene-divinybenzene) encapsulated packing material for capillary elechochromatography.JOURNAL OF CHROMATOGRAPHY A,912(2),335-342.
MLA Zhang, GD,et al."Chromatographic behavior of poly(styrene-divinybenzene) encapsulated packing material for capillary elechochromatography".JOURNAL OF CHROMATOGRAPHY A 912.2(2001):335-342.
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