Fast Separation Ultra-Performance Liquid Chromatography for Determination of Pre-Column Derivative Abamectin and Ivermectin Residues in Vegetable
文献类型: 外文期刊
第一作者: Li, Qiwan
作者: Li, Qiwan;Liu, Hongcheng;Li, Qiwan;Shao, Jinliang;Zou, Yanhong;Liu, Hongcheng;Zhang, Ying;Liu, Lianliang
作者机构:
关键词: Abamectin;Ivermectin;UPLC;Fluorescence
期刊名称:JOURNAL OF FLUORESCENCE ( 影响因子:2.217; 五年影响因子:1.906 )
ISSN: 1053-0509
年卷期: 2011 年 21 卷 2 期
页码:
收录情况: SCI
摘要: A new residue method for quantification of abamectin and ivermectin in vegetable is described in the article. The derivative process is devised that acylating chemical is firstly performed by N-methylimidazole (MI) and trifluoroacetic anhydride (TFAA), then which reacted with hydroxyl function of abamerctin to make fluorescence. The influence of triethylamin (TEA) is examined. Separation is resolute by a short column of 1.7 mu m size and operated at high pressure values (10.000 psi). The optimal chromatographic condition and the highest sensitivity are achieved by acetonitrile: water (95: 5), 0.4 mL/min, 0.2 mu L injector. The detection limits of abamectin and ivermectin are 1 mu g/kg respectively.
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