Comparison of microemulsion electrokinetic chromatography and solvent-modified micellar electrokinetic chromatography

被引：0

作者：

Hansen, Steen Honoré ^{[1
,3
]}

Gabel-Jensen, Charlotte ^{[1
]}

Pedersen-Bjergaard, Stig ^{[2
]}

机构：

[1] Department of Analytical and Pharmaceutical Chemistry, Royal Danish School of Pharmacy, Copenhagen, Denmark

[2] School of Pharmacy, University of Oslo, Oslo, Norway

[3] Department of Analytical and Pharmaceutical Chemistry, Royal Danish School of Pharmacy, Universitetsparken 2, DK-2100 Copenhagen, Denmark

来源：

| 2001年 / Wiley-VCH Verlag卷 / 24期

关键词：

Methanol - Microemulsions - Organic solvents - Separation - Surface active agents;

D O I：

10.1002/1615-9314(20010801)24:83.0.CO;2-U

中图分类号：

学科分类号：

摘要：

Microemulsion electrokinetic chromatography (MEEKC) was investigated with the goal of elucidating the influence exerted by the amount of lipophilic organic phase and the amount of co-surfactant on the migration of a number of neutral test solutes. Furthermore, MEEKC was compared to solvent-modified micellar electrokinetic chromatography (MEKC). The organic solvents methanol, ethanol, 1-propanol, 1-butanol, acetonitrile, tetrahydrofuran, and 2-ethoxyethanol serving as co-surfactants in MEEKC were used in similar concentrations in MEKC systems in order to compare the selectivity and separation efficiency of the two kinds of system. The solvent-modified MEKC technique proved to be very similar to MEEKC in performance with respect to both separation selectivity and efficiency of separation.

引用

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