Effect of Temperature, Effective Capillary Length, and Applied Voltage on the Migration of Nine P-Blockers in Micellar Electrokinetic Capillary Chromatography

P. Lukkari University of Helsinki, Department of Chemistry Analytical Chemistry Division, Vuorikatu 20, SF-00100, Helsinki, Finland

A. Ennelin University of Helsinki, Department of Chemistry Analytical Chemistry Division, Vuorikatu 20, SF-00100, Helsinki, Finland

H. Siréan University of Helsinki, Department of Chemistry Analytical Chemistry Division, Vuorikatu 20, SF-00100, Helsinki, Finland

M. L. Riekkola University of Helsinki, Department of Chemistry Analytical Chemistry Division, Vuorikatu 20, SF-00100, Helsinki, Finland

Abstract

Study was made on the effect of temperature (25-40°C), effective capillary length (52-92 cm), and applied voltage (21-29 kV) on the micellar electrokinetic capillary chromatography (MEKC) separations of nine P-blockers and on the electroosmotic breakthrough time. Migration times decreased with increasing temperature and applied voltage and increased with the length of the separation capillary.

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Effect of Temperature, Effective Capillary Length, and Applied Voltage on the Migration of Nine P-Blockers in Micellar Electrokinetic Capillary Chromatography

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Effect of Temperature, Effective Capillary Length, and Applied Voltage on the Migration of Nine P-Blockers in Micellar Electrokinetic Capillary Chromatography

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