UNSPECIFIED (2009) On-line Preconcentration and Cyclodextrin-Modified Micellar Electrokinetic Chromatography Method for Chiral Separation of Hexaconazole, Penconazole and Myclobutanil. In: UNSPECIFIED, (ed.) Proceedings of Second International Conference and Workshops on Basic and Applied Sciences & Regional Annual Fundamental Science Seminar 2009. Faculty of Science, Universiti Teknologi Malaysia, . ISBN 978-983-9805-73-4
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A method for the on-line preconcentration and chiral separation of three chiral triazole fungicides, namely hexaconazole, penconazole and myclobutanil is reported. Simultaneous enantioseparation of the three triazole fungicides was successfully achieved by using CD-MEKC system containing 40 mM hydroxypropyl-Î³-CD and 50 mM sodium dodecyl sulphate in 25 mM phosphate buffer (pH 3.0) solution. Stacking with a reverse migrating micelle (SRMM) and sweeping were used as two on-line preconcentration methods to enhance the concentration sensitivity. Results indicate that sweeping-CD-MEKC is better than SRMMCD-MEKC in terms of the sensitivity enhancement factor (SEF) of the three triazole fungicides. This is the first report on the simultaneous chiral separation of three triazole fungicides by on-line-CD-MEKC method.
|Item Type:||Book Section|
|Deposited By:||Dr Siew Ling Lee|
|Deposited On:||30 Jun 2009 07:33|
|Last Modified:||02 Jun 2010 01:58|
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