高效液相色谱法测定蔬菜中7种氨基甲酸酯类农药残留研究

目的]建立一种氨基甲酸酯类农药残留分析方法。方法]对市场上蔬菜随机抽样,采用配荧光检测器和柱后衍生系统的高效液相色谱仪测定了蔬菜中涕灭威砜、涕灭威亚砜、灭多威、3-羟基克百威、涕灭威、克百威、甲萘威7种氨基甲酸酯类农药的多残留,对每种农药进行了3种不同浓度(0.05、0.10、0.50 mg/kg)的添加回收率试验。结果]蔬菜中7种农药的回收率在74.6%～107.6%,精密度在10%以内。结论]该方法可用于大白菜、黄瓜、番茄、辣椒、芹菜等样品中氨基甲酸酯类农药残留分析。

Determination of Seven Carbamates Residues in Vegetable by HPLC

Objective] The aim was to establish an analysis method of carbamates residues.Method] The residues of aldicarb sulfone,aldicarb sulfoxide,methomyl,3-hydroxy-carbofuran,aldicarb,carbofuran and carbryl in vegetable were determined by HPLC with fluorescence detector and post-column derivation,furthermore the fortified recoveries of seven carbamates in vegetable at 0.05,0.10 and 0.50 mg/kg were determined.Result] The recoveries of seven carbamates in vegetable ranged from 74.6% to 107.6%,and the precision was less than 10%.Conclusion] The method is suitable for the determination of carbamates residues in Chinese cabbage,cucumber,tomato,pepper and celery.