Rapid residue analysis of oxathiapiprolin and its metabolites in typical Chinese soil, water, and sediments by a modified quick, easy, cheap, effective, rugged, and safe method with ultra high performance liquid chromatography and tandem mass spectrometry

文献类型： 外文期刊

第一作者： Ju, Chao

作者： Ju, Chao;Dong, Fengshou;Liu, Xingang;Wu, Xiaohu;Zhao, Huanhuan;Zheng, Yongquan;Xu, Jun

作者机构：

关键词： Metabolites;Oxathiapiprolin;Sediment;Soil;Water

期刊名称：JOURNAL OF SEPARATION SCIENCE （ 影响因子：3.645； 五年影响因子：2.943 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： A sensitive and effective method for the simultaneous determination of residues from a new fungicide, oxathiapiprolin, and its metabolites (IN-E8S72 and IN-WR791) in soil, water, and sediment, was developed using ultra high performance liquid chromatography with tandem mass spectrometry. Three compounds were extracted from water, soil, and sediment by using acetonitrile and different proportions of formic acid aqueous solution (1% v/v for water; 2% v/v for soil; and sediment), and were cleaned with octadecylsilane. The target compounds were determined within 5 min using an electrospray ionization source in the positive mode for oxathiapiprolin and in the negative mode for the two metabolites. The limits of quantification for all the three compounds were 0.1 mu g/kg in water and 1 mu g/kg in soil and sediment. Recovery studies were performed using three spiked levels (0.1, 1, and 10 mu g/kg for water; 1, 10, and 50 mu g/kg for soil and sediment). The overall average recoveries ranged from 64.8 to 112.7% with all intra-and interday relative standard deviation values below 19.4 and 19.1%, respectively. The method validation confirmed that the proposed method was convenient and reliable for determining residual oxathiapiprolin and its metabolites in soil, water, and sediments.

分类号： O6

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