期刊
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
卷 84, 期 2, 页码 236-239出版社
SPRINGER
DOI: 10.1007/s00128-009-9881-7
关键词
Oxadiargyl; Residue; QuEChERS; Gas chromatography
资金
- Chinese Ministry of Agriculture and Bayer Cropscience Co. Ltd (China)
Oxadiargyl is a commonly used herbicide in China. We developed a simple, fast, and high-throughput method employing gas chromatography with electron capture detector to determine oxadiargyl residues in food samples (rice, straws) and environmental samples (soil, water). Samples were prepared by a modified QuEChERS procedure. In this method, acetonitrile was used as the extracting solvent. The purifying step was omitted when the chromatographic conditions were optimized. Recoveries ranged from 82.9 to 112.0% for oxadiargyl in all samples, with relative standard deviation values lower than 6.2% at 0.01 mg/kg fortified concentration level.
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