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- Title
Determination of Oxadiargyl Residues in Environmental Samples and Rice Samples.
- Authors
Chenhui Shi; Wenjun Gui; Jie Chen; Guonian Zhu
- 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.
- Subjects
CHINA; GAS chromatography; CROP residues; ACETONITRILE; CHROMATOGRAPHIC analysis; RICE residues; HERBICIDES; AIR pollution
- Publication
Bulletin of Environmental Contamination & Toxicology, 2010, Vol 84, Issue 2, p236
- ISSN
0007-4861
- Publication type
Article
- DOI
10.1007/s00128-009-9881-7