Determination of Herbicide Propisochlor in Soil, Water and Rice by Quick, Easy, Cheap, Effective, Rugged and Safe (QuEChERS) Method Using by UPLC-ESI-MS/MS
文献类型: 外文期刊
第一作者: Xu, Jun
作者: Xu, Jun;Liu, Xingang;Dong, Fengshou;Zheng, Yongquan;Wu, Yanbing;Zhang, Ying
作者机构:
关键词: Propisochlor;UPLC-MS/MS;Rice;Soil;Water
期刊名称:BULLETIN OF THE KOREAN CHEMICAL SOCIETY ( 影响因子:0.969; 五年影响因子:0.691 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: A simple, quick and reliable analytical method for the confirmation and quantification of propisochlor was developed. The propisochlor was extracted from water, soil and rice (stalks, rice and hull) matrices using acetonitrile, and cleaned up with primary secondary amine and determined by UPLC-MS/MS. The LODs of propisochlor ranged from 0.03 ug/kg to 0.12 ug/kg, while the LOQs ranged from 0.1 ug/kg to 0.4 ug/kg in different matrixes. The mean recoveries of propisochlor at three levels (0.005, 0.01 and 0.05 mg/kg) were in the range of 73.7-94.9% with intra-day relative standard deviations (RSD) of 1.1-13.9% and inter-day RSD_R of 3.3-12.7%. This method is suitable for routine analysis of propisochlor under field conditions. The half-lives of propisochlor in rice stalks, water and soil were 1.7, 1.5 and 2.3 days in Hunan, 5.7, 1.0 and 1.9 days in Anhui and 4.8, 1.0 and 3.1 days in Guangxi.
分类号: O6
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