Title: Simple ion chromatographic method for the determination of chlormequat residues in pears
Authors: Peeters, Christine ×
Defloor, I
Coosemans, Jozef
Delcour, Jan
Ooms, L
Deliever, Hendrik
De Vos, Dirk #
Issue Date: 2001
Publisher: Elsevier science bv
Series Title: Journal of Chromatography A vol:920 issue:1-2 pages:255-259
Abstract: Current methods for quantitative determination of chlormequat residues in food crops are characterized by rather low recoveries and the need for derivatization tin case of gas chromatography, GC), or by high capital investment tin case of Liquid chromatography-mass spectrometry, LC-MS). We propose a cation-exchange chromatography method for the analysis of chlormequat in pears. The method is based on extraction of the target compound with 40 mM HCl, followed by centrifugation and filtration, The filtrate is directly injected into an ion chromatograph equipped with a commercially available cation-exchange column and a suppressed conductivity detection system. While the limit of detection (LOD) (0.5 mg/kg) may not be small enough to allow dietary analysis, the method meets all validation requirements and is an alternative for the existing GC and LC-MS methods in quality control. (C) 2001 Elsevier Science BN. All rights reserved.
ISSN: 0021-9673
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Teaching Support Unit, Faculty of Bioscience Engineering
Division of Crop Biotechnics
Centre for Surface Chemistry and Catalysis
× corresponding author
# (joint) last author

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