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Effects of organic modifiers on solute retention and electrokinetic migrations in micellar electrokinetic capillary chromatography
Liu, Z; Zou, HF; Ye, ML; Ni, JY; Zhang, YK
关键词Micellar Electrokinetic Capillary Chromatography Organic Modifier Elutropic Strength Electroosmotic Mobility Electrophoretic Mobility
刊名ELECTROPHORESIS
1999-10-01
20期:14页:2898-2908
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]Biochemical Research Methods ; Chemistry, Analytical
研究领域[WOS]Biochemistry & Molecular Biology ; Chemistry
关键词[WOS]MOBILE PHASE ; LIQUID-CHROMATOGRAPHY ; ZONE ELECTROPHORESIS ; STATIONARY PHASES ; SEPARATIONS ; SELECTIVITY ; PERFORMANCE ; PARAMETERS ; SOLVENTS ; ELUTION
英文摘要Influences of seven organic modifiers, including urea, methanol (MeOH), dioxane (DIO), tetrahydrofuran (THF), acetonitrile (ACN), 1-propanol (1-PrOH) and 2-propanol (2-PrOH), on the solute retention and the electrokinetic migrations in micellar electrokinetic capillary chromatography (MEKC) are investigated with sodium dodecyl sulfate (SDS) micelle as pseudostationary phase. It is observed that in the limited concentration ranges used in the MEKC systems the effect of organic modifier concentration on the retention can be described by the equation logk'=logk'(w)-SC for most binary aqueous-organic buffer, but deviations from this retention equation are observed at ACN and particularly THF as organic modifiers. With parameter S as a measure of the elutropic strength, the elutropic strength of the organic modifiers is found to follow a general order urea
语种英语
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WOS记录号WOS:000085044200017
引用统计
被引频次:30[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/85609
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Lab Chromatog, Dalian 116011, Peoples R China
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GB/T 7714
Liu, Z,Zou, HF,Ye, ML,et al. Effects of organic modifiers on solute retention and electrokinetic migrations in micellar electrokinetic capillary chromatography[J]. ELECTROPHORESIS,1999,20(14):2898-2908.
APA Liu, Z,Zou, HF,Ye, ML,Ni, JY,&Zhang, YK.(1999).Effects of organic modifiers on solute retention and electrokinetic migrations in micellar electrokinetic capillary chromatography.ELECTROPHORESIS,20(14),2898-2908.
MLA Liu, Z,et al."Effects of organic modifiers on solute retention and electrokinetic migrations in micellar electrokinetic capillary chromatography".ELECTROPHORESIS 20.14(1999):2898-2908.
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