A Rapid Method for Trace Analysis of Organophosphorus Pesticides in Drinking Water
نویسنده
چکیده
A simple and quick method for the determination of organophosphorus pesticides (OPs) in drinking water has been developed. After sample extraction with methylene chloride, analysis was directly carried out without further treatment using GC with a specific detector FPD on a DB-1701P column. A linear relationship between concentration and peak area was obtained within the range of 0.005 to 0.500 ng with correlation coefficients greater than 0.999 and detection limits less than 0.03 μg/L. Recoveries of six OPs at spiked levels of 0.50, 2.50, and 4.50 μg/L ranged from 88 to 104% These OPs were reproducibly detected well below the maximum residue limits (MRLs) of EPA Method 525 and European Union regulations for pesticide residues in drinking water. Authors Min Cai and Yun Zou Agilent Technologies Co. Ltd, 412 Ying Lun Road Waigaoqiao Free Trade Zone Shanghai 200131 China Application Note
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