期刊
RSC ADVANCES
卷 4, 期 86, 页码 45946-45952出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra08399g
关键词
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资金
- National Natural Science Foundation of China [21377167]
- Science Foundation of China University of Petroleum, Beijing [KYJJ2012-01-15]
- Nanyang Normal University [ZX2012011]
A rapid, easy to operate, and sensitive method was developed for the trace determination of benzoylurea insecticides based on a micro-solid phase extraction with highly ordered TiO2 nanotube arrays as the adsorbent prior to high performance liquid chromatography. The experimental results indicated that a good linear relationship was achieved between the peak areas and the concentrations of benzoylurea insecticides in the range of 0.1-40 mu g L-1. The limits of detection (LODs) of diflubenzuron, chlorbenzuron, triflumuron and chlorfluazuron were 0.082, 0.026, 0.049 and 0.076 mu g L-1, respectively. The proposed method was successfully used to determine the benzoylurea insecticides in environmental water samples. The spiked recoveries in the range of 76.5-102.4% were achieved. All these results demonstrated that the proposed method was of great value and would have great potential in the enrichment and determination of trace pollutants in the future.
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