Journal of Oil Palm Research Vol. 12 No. 1  2000 June p.  95-101

Gel permeation chromatographic clean-up of organo-phosphorus pesticide in oil matrix

Author(s): AINIE Kuntom* ; HAMIRIN Kifli* ; TAN Yew Ai*

Liquid-liquid partition chromatography is widely used as a clean-up procedure for organophosphorus pesticides from various matrices. However, gel permeation is now increasingly used for multipesticides determination. This investigation evaluated the gel permeation chromatography(GPC) for clean-up of monocrotophos in an oil matrix. The gel used in this study was Bio-Beads SX-3 and the GPC solvent system cyclohexane:ethyl acetate (1:1 v/v). The analyte was determined in a gas chromatograph fitted with a flame photometric detector in the phosphorus mode. Recovery of monocrotophos was 74.3%-101.6% with a standard deviation of 3.409-13.453. The method is used for monitoring monocrotophos in edible oil.

Keywords: , , , , , ,

Author Information
*Malaysian Palm Oil Board, P.O. Box 10620, 50720 Koala Lumpur, Malaysia.

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