多壁碳纳米管滤过型净化-气相色谱串联质谱法测定香蕉中5种拟除虫菊酯类杀虫剂残留  

Determination of 5 Pyrethroid Insecticide Residues in Banana Using GC-MS/MS Coupled with Multiplug Filtration Clean up with Multiwalled Carbon Nanotubes

作　　者：乐渊[1] 李春丽[1] 刘春华[1] 吴南村[1] LE Yuan;LI Chun-li;LIU Chun-hua;WU Nan-cun(Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables,Analysis and Testing Center,Chinese Academy of Tropical Agricultural Sciences,Haikou 571101,China)

机构地区：[1]中国热带农业科学院分析测试中心海南省热带果蔬产品质量安全重点实验室

出　　处：《农药》2019年第7期515-518,531,共5页Agrochemicals

基　　金：现代农业产业技术体系建设专项资金资助(CARS-31-13);海南省自然科学基金项目(317223);热带农产品质量安全科技创新团队项目(1630082017002)

摘　　要：[目的]建立了多壁碳纳米管滤过型净化,气相色谱串联质谱技术同时测定香蕉中联苯菊酯等5种拟除虫菊酯类杀虫剂残留量的分析方法。[方法]香蕉样品用乙酸乙酯提取,经多壁碳纳米管滤过型净化柱净化后,用气相色谱-串联质谱法测定。[结果]联苯菊酯等5种拟除虫菊酯类杀虫剂的质量浓度在0.01~0.2 mg/L范围内线性良好,定量限均为10μg/kg.相关系数均大于0.99,平均加标回收率为71.3%~108.3%,相对标准偏差为0.7%~3.6%。[结论]方法学考察及实际样品的测定证明该方法简便、快速、准确,可用于香蕉中联苯菊酯等5种拟除虫菊酯类杀虫剂残留量的检测。[Aims] A multi-residue method was developed for the simultaneous determination of 5 pyrethroid insecticide residues in banana by using gas chromatography coupled with tandem mass spectrometry(GC-MS/MS).[Methods] The banana samples were extracted with ethyl acetate and cleaned up with multiplug filtration using multiwalled carbon nanotubes,then determined by GC-MS/MS.[Results] The limits of quantitation for 5 pyrethroid insecticides was10 μg/kg.Calibration curves exhibited good linearity over the concentration ranged from 0.01 to 0.2 mg/L,with their correlation coefficients of above 0.99.Average recoveries for 5 pyrethroid insecticides ranged from 71.3 to 108.3%,with relative standard deviations ranged from 0.7 to 3.6%.[Conclusions] Methodological investigation and real samples determination showed that the developed method was sensitive,rapid and accurate.As a result,it can be applied for determination of 5 pyrethroid insecticides residue in banana.

关 键 词：拟除虫菊酯类杀虫剂 多壁碳纳米管 气相色谱-串联质谱 香蕉 

分 类 号：TQ450.2[化学工程—农药化工]