SPE-GC-μECD测定蔬菜中6种三唑类农药的残留量.pdfVIP

ofAnhui 安徽农业科学，Journal A萌．Sci．2014，42(18)：5813—5815 责任编辑乔利利责任校对李岩 SPE-GC-ttECD测定蔬菜中6种三唑类农药的残留量 徐颖洁 (南京农业大学作物遗传与种质创新国家重点实验室，江苏南京210095) 摘要[目的]建立一种蔬菜中6种三唑类农药残留的气相色谱检测方法。[方法]蔬菜样品用乙腈提取，盐析分层后上清液经固相萃 取柱净化，用丙酮+正己烷(20+80)洗脱，采用带微电子捕获检测器的气相色谱仪测定其中腈茼唑、戊茵唑、三唑酮、苯醚甲环唑、丙环 醇6种三唑类农药残留的检测提供了参考。 关键词蔬菜；三唑类农药；残留量；气相色谱一微电子捕获检测器 中图分类号s482文献标识码A 文章编号0517—6611(2014)18—05813—03 DeterminationofSixTriazolePesticidesResiduesin VegetablesbySPE-GC·--ECD XU of Geneticsand Ying-jie(StateKeyLaboratoryCrop GemplasmEnhancement，NanjingAgricultural 210095) aimwastoestabhsha methodofsixtrizole residuesin Abstract[Objective]The pesticides vegetablesbygas determining microelectron wereextractedwith a were capturedetection．[Method]Thesamples acetonitril，followedby salting·outstep．Thesupematants cleanedsolid extraction elutedacetoneandn—hexane．Residuesofsixtrimle in weredetec— upby phase cartridge．andby pesticidesvegetables micmelectmn ted with byusinggas capturedetection，including chromatography and recoveriesofsixtrimlebactericidesfrom72．90％to therelative propiconasoletrladimen01．[Result]Average ranged 98．80％，with limitssix from standarddeviationsbetween1．18％and9．88％．nedetectionof residuesin 0．010 pesticides vegetablesranged trizole rag／ks to0．210 estabhshmentofmetIlodinthis referenceforthedetectionofsixtrizole ms／kg．[Conclusion]The studyprovides pesticidesresidues invege