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Vol. 27 No. 9 (2015): Vol 27 Issue 9

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Microemulsion Electrokinetic Chromatographic Analysis of Potassium Sorbate and Saccharin Sodium Using Trimethylchlorosilane Double Coating

https://doi.org/10.14233/ajchem.2015.18635
Zhenzhu Hu
College of Chemistry and Chemical Engineering, Zhoukou Normal University, Zhoukou 466001, P.R. China
Jianping Xie
College of Chemistry and Chemical Engineering, Zhoukou Normal University, Zhoukou 466001, P.R. China
Huali Jia
College of Chemistry and Chemical Engineering, Zhoukou Normal University, Zhoukou 466001, P.R. China
Xiaolei Jiang
College of Chemistry and Chemical Engineering, Zhoukou Normal University, Zhoukou 466001, P.R. China
Lihua Cao
College of Chemistry and Chemical Engineering, Zhoukou Normal University, Zhoukou 466001, P.R. China

Corresponding Author(s) : Jianping Xie

zksyxjp@163.com

Asian Journal of Chemistry, Vol. 27 No. 9 (2015): Vol 27 Issue 9

Abstract

A novel microemulsion electrokinetic chromatography with photo diode array detection method was developed, using trimethylchlorosilane double coating for the analysis of potassium sorbate and saccharin sodium. The influences of wavelength, buffer pH, buffer concentration and applied voltage on the separation were studied. A running buffer of 30 mmol/L sodium tetraborate (Na2B4O7) + 10 % microemulsion, pH 9.2 and voltage 12 kV were applied after a series of optimization. The coating on the capillary surface helped to speed up the separation. Potassium sorbate and saccharin sodium were separated within 2.6 min. Under the optimized experimental conditions, real samples were determined with good results.

Keywords

MEEKC Photo diode array detection Trimethylchlorosilane Double coating Potassium sorbate Saccharin sodium
Hu, Z., Xie, J., Jia, H., Jiang, X., & Cao, L. (2015). Microemulsion Electrokinetic Chromatographic Analysis of Potassium Sorbate and Saccharin Sodium Using Trimethylchlorosilane Double Coating. Asian Journal of Chemistry, 27(9), 3325–3327. https://doi.org/10.14233/ajchem.2015.18635
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