Determination of Oxadiargyl Residues in Environmental Samples and Rice Samples

被引：0
|
作者：
Chenhui Shi
Wenjun Gui
Jie Chen
Guonian Zhu
机构：
[1] Zhejiang University,Institute of Pesticide and Environmental Toxicology
[2] Xixi National Wetland Park,undefined
来源：
Bulletin of Environmental Contamination and Toxicology | 2010年 / 84卷
关键词：
Oxadiargyl; Residue; QuEChERS; Gas chromatography;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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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页码：236 / 239
页数：3
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