Separation of Six Pyridoncarboylxic Acid Derivatives by Micellar and Microemulsion Electrokinetic Chromatography |
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| Authors: | Jian De LU Wei YUAN Xiao Yun FU Analytical Testing Center Yuquan Campus Zhejiang University Hangzhou |
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| Affiliation: | Jian De LU,Wei YUAN,Xiao Yun FU* Analytical and Testing Center,Yuquan Campus,Zhejiang University,Hangzhou 310027 |
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| Abstract: | Micellar and microemulsion electrokinetic chromatography (MEKC & MEEKC) separation of six closely structural pyridoncarboylxic acid derivatives were studied and compared. Both anionic surfactant sodium dodecyl sulfate (SDS) and cationic surfactant hexadecyl-trimethyl ammonium bromide (CTAB) were used to form micellar and microemulsion as pseudostation phases, respectively. The effects of the separation conditions on retention time and selectivity were studied. Good resolutions were obtained in selected systems, indicating that there is markably different selectivity between SDS and CTAB systems. |
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| Keywords: | Micellar microemulsion electrokinetic chromatography. |
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