Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/94792
Title: Separation and Determination of Pesticides by Capillary Electrophoresis. II. Determination of N-methylcarbamates in Drinking Water by Micellar Electrokinetic Chromatography with SPE and On-Column Enrichment
Authors: Wu, Y.S.
Lee, H.K. 
Li, S.F.Y. 
Keywords: Capillary electrophoresis
Drinking water
Micellar electrokinetic chromatography
N-methylcarbamates
On-column stacking
Pesticides
Solid-phase extraction
Issue Date: 1998
Source: Wu, Y.S.,Lee, H.K.,Li, S.F.Y. (1998). Separation and Determination of Pesticides by Capillary Electrophoresis. II. Determination of N-methylcarbamates in Drinking Water by Micellar Electrokinetic Chromatography with SPE and On-Column Enrichment. Journal of Microcolumn Separations 10 (6) : 529-535. ScholarBank@NUS Repository.
Abstract: This article describes a new method for the determination of ultra trace levels of 12 N-methylcarbamates in drinking water via micellar electrokinetic chromatography (MEKC). Two steps were employed to enhance the detection sensitivity. The sample was first preconcentrated by C18 bonded SPE cartridge and then further enriched through on-column stacking. With this two-step enrichment procedure, the method permits separation and UV detection of N-methylcarbamates at the 0.1-ppb level. This new alternative for the determination of carbamates in drinking water is convenient and fast and consumes practically no organic solvent. © 1998 John Wiley & Sons, Inc.
Source Title: Journal of Microcolumn Separations
URI: http://scholarbank.nus.edu.sg/handle/10635/94792
ISSN: 10407685
Appears in Collections:Staff Publications

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