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Determination of Organochlorine Pesticides in Vegetables by Solid-Phase Extraction Cleanup and Gas Chromatography

Chai, Alvin Lian Kuet and Lau, Seng (2003) Determination of Organochlorine Pesticides in Vegetables by Solid-Phase Extraction Cleanup and Gas Chromatography. Pertanika Journal of Science & Technology, 11 (2). pp. 249-259. ISSN 0128-7680

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Abstract

A simple and rapid cleanup procedure has been developed for simultaneous determination of organochlorine pesticides in vegetables. Residues were extracted with acetone and dichloromethane. Extracts were cleaned up by a mixed-mode solid-phase extraction column, quaternary amine and aminopropyJ. The pesticides were determined by gas chromatography with electron capture detector. The recoveries of 6 pesticides in three crops, namely carrot, cucumber and green mustard, fortified at 0.5 mg/kg were in the range of 68% to 109.3%. The results obtained were comparable to those obtained by silica gel cleanup method.

Item Type:Article
Keyword:Solid phase extraction, organochlorine, chlorophenyl, conazole pesticides, gas chromatography
Publisher:Universiti Putra Malaysia Press
ID Code:3744
Deposited By: Nur Izyan Mohd Zaki
Deposited On:01 Dec 2009 04:07
Last Modified:27 May 2013 07:10

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