Abstract
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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Acknowledgment
This study was supported by the Chinese Ministry of Agriculture and Bayer Cropscience Co. Ltd (China).
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Shi , C., Gui, W., Chen, J. et al. Determination of Oxadiargyl Residues in Environmental Samples and Rice Samples. Bull Environ Contam Toxicol 84, 236–239 (2010). https://doi.org/10.1007/s00128-009-9881-7
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DOI: https://doi.org/10.1007/s00128-009-9881-7