Published: Journal of Chromatographic Science, Volume 37, Number 5, May 1999, pp. 165-170
Determination of Sulfonyl Urea Herbicides by Capillary Electrochromatography
Viorica Lopez-Avila, Janet Benedicto, and Chao Yan
Thirteen compounds are investigated using a commercially available CE system and capillary columns packed with 3-µm porous octadecylbonded silica. The detector response is very linear from 1–100 ppm with a correlation coefficient r2 of 1–0.990 for each compound. This paper is believed to be the first application using CEC for the determination of sulfonyl urea herbicides and the first reported use of hydrodynamic injection in CEC with packed columns and a commercial CE instrument.
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