Multiresidue Determination of Thifensulfuron-Methyl, Atrazine and Acetochlor in Soybeans by High Performance Liquid Chromatography
文献类型： 外文期刊
作者： Ping, Hua 1 ; Pan, Ligang 1 ; Shu, Xiuli 1 ; Lu, Anxiang 1 ;
作者机构： 1.Beijing Res Ctr Agrifood Testing & Farmland Monit, Beijing 100097, Peoples R China
2.Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China
关键词： High Performance Liquid Chromatography; Multiresidue Analysis; Herbicides; Soybeans
期刊名称：SENSOR LETTERS （ 影响因子：0.558； 五年影响因子：0.58 ）
ISSN： 1546-198X
年卷期： 2011 年 9 卷 3 期
页码：
收录情况： SCI
摘要： The paper presents a new high performance liquid chromatographic (HPLC) method for the simultaneous determination of three herbicides (thifensulfuron-methyl, atrazine and acetochlor) residues in soybeans. The methodology consists of an acetonitrile extraction and, dispersive solid phase extraction (SPE) purified step. Then the samples were analyzed by HPLC-UV (ultraviolet) and quantified by external standard method. Under the optimized conditions, the linear ranges of thifensulfuronmethyl, atrazine and acetochlor were 0.1-5.0 mg . L(-1) with a good correlation coefficients (0.9996-0.9999). The average recoveries of three herbicides in spiked soybeans ranged from 70.2% to 105.3%, and the relative standard deviations were between 2.32% and 9.52%. The limit of detection was lower than 47 mu g . kg(-1).
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