Determination of Amicarbazone and Its Metabolites in Corn and Its Plant with a Modified QuEChERS by Liquid Chromatography-Tandem Mass Spectrometry

文献类型： 外文期刊

第一作者： Dong Mao-Feng

作者： Dong Mao-Feng;Bai Bing;Tang Hong-Xia;Wang Wei-Min;Zhao Zhi-Hui;Han Zheng;Song Wei-Guo

作者机构：

关键词： Amicarbazone;Metabolites;Corn;Liquid chromatography-tandem mass spectrometry;QuEChERS

期刊名称：CHINESE JOURNAL OF ANALYTICAL CHEMISTRY （ 影响因子：1.134； 五年影响因子：0.909 ）

ISSN： 0253-3820

年卷期： 2015 年 43 卷 5 期

页码：

收录情况： SCI

摘要： A modified QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) method was developed to analyze amicarbazone and its Metabolites residues in corn and its plant with liquid chromatography. tandem mass spectrometry (LC-MS/MS) detection. After extracted with MeCN and purified with graphite carbon black (GCB) and with C-18 as dispersive solid phase extraction, the sample was measured by LC-MS/MS equipped an Agilent EC-C-18 column with methanol-5 mmol/L ammoniumacetate as mobile phase. The linear range was 1 - 1000 mu g/L and the recoveries ranged from 85.1% - 111.0% with the relative standard deviations (RSDs) of 2.3% - 11.0%. The limit of quantification (LOQ) was 5 mu g/kg. The residues of amicarbazone (AMZ) and its metabolites (DA and ISO) were lower than the limit of detection (LOQ) in 15 samples obtained from local markets. The results showed that the method was simple, fast, and efficient for analysis of amicarbazone and its metabolites in corn matrices.

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