摘要(Abstract)：
为了建立一种快速、简便、有效的草莓中多种农药残留的净化方法,利用六方氮化硼纳米片改进QuEChERS法;在水-乙腈溶液系统中初步提取目标物,加盐进行萃取、分层,最后将六方氮化硼纳米片用于分散固相萃取,对样品进行净化;在多反应监测模式下,采用高效液相色谱串联质谱法对样品进行分析。结果表明,10种农药残留质量比的线性范围均为0.1～500 mg/kg,相关系数为0.999 2～0.999 8,农药残留的方法检出限为0.000 5～0.001 mg/kg,定量限为0.002～0.003 mg/kg,精密度相对标准偏差为2.24%～5.98%,重复性相对标准偏差为2.25%～6.25%,样品回收率为86.03%～106.3%。
关键词(KeyWords)： 六方氮化硼纳米片;高效液相色谱串联质谱;净化;农药残留
基金项目(Foundation): 国家自然科学基金项目(21906096);; 山东省重点研发计划项目(2019JZZY020903,2019GSF111001)
作者(Author): 赵燕芳,李慧娟,谢含仪,陈相峰
DOI: 10.13349/j.cnki.jdxbn.20210621.002
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