Journal
CHROMATOGRAPHIA
Volume 61, Issue 3-4, Pages 127-131Publisher
SPRINGER HEIDELBERG
DOI: 10.1365/s10337-004-0488-1
Keywords
column liquid chromatography-mass spectrometry; matrix effects; pesticide residues in vegetables
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An analytical method for determining residues of twenty pesticides by liquid chromatography (LC) coupled to electrospray ionisation (ESI) tandem mass spectrometry (MS-MS) in eight commodities, cucumber, tomato, pepper, green bean, eggplant, zucchini, melon and water-melon, has been developed and validated. On one hand, calibration curves prepared in solvent were compared with calibration curves prepared in a blank matrix extract of each target matrix. On the other hand, calibration curves and recoveries for each commodity were compared. Cucumber was selected as potential reference matrix for the target vegetables.
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