2022年第12期文章编号:1671-9646(2022)12b-0051-04第12期(总第566期)农产品加工No.122022年12月FarmProductsProcessingDec.摘要:建立QuEChERs-气相色谱法检测蔬菜中的8种有机氯农药残留。蔬菜样品采用乙腈超声提取,经900mg无水硫酸镁、150mgPSA和45mgGCB净化后,提取净化液用气相色谱分离、电子捕获检测器检测。该方法对8种有机氯农药的检出限(Limitofdetection,LOD)为0.21~0.48ng/mL,线性相关性良好(R2>0.9945),方法相对标准偏差(Relativestandarddeviation,RSD)为2.9%~5.8%。该方法准确灵敏、操作简便、抗干扰能力强,适用于蔬菜中有机氯农药残留的定量检测。关键词:QuEChERs技术;气相色谱法;有机氯农药;蔬菜中图分类号:O657.7文献标志码:Adoi:10.16693/j.cnki.1671-9646(X).2022.12.042DeterminationofOrganochlorinePesticideResiduesinVegetableSamplesbyQuEChERs-GasChromatographyYAOHaoyu,ZHULuhua,FANWenying,SHENShanshan,*LIHuanhuan(SchoolofFoodScienceandTechnology,HubeiUniversityofArtsandScience,Xiangyang,Hubei,441053,China)Abstract:ThisworkestablishedamethodfordeterminationoforganochlorinepesticideresiduesinvegetablesamplesbyQuEChERscombinedwithgaschromatography.Thevegetablesampleswereextractedbyacetonitrile,purifiedby900mgmag-nesiumsulfate,150mgPSAand150mgGCB,detectedbygaschromatography-electroncapturedetector.Thelimitofdetec-tion(LOD)ofthismethodfor8organochlorinepesticideswas0.21~0.48ng/mL,withgoodlinearcorrelation(R2>0.9945),andtherelativestandarddeviation(RSD)were2.9%~5.8%.Thismethodshowedhighaccuracyandprecision,easyopera-tionandstronganti-interferenceability,anditwassuitableforthequantitativedetectionoforganochlorinepesticideresiduesinvegetablesamples.Keywords:QuEChERstechnology;gaschromatography;organochlorinepesticide;vegetablesampleQuEChERs-气相色谱法测定蔬菜中的有机氯农药残留姚昊宇,朱陆华,范文莹,沈珊珊,*李欢欢(湖北文理学院食品科学技术学院,湖北襄阳441053)收稿日期:2022-05-16基金项目:湖北文理学院大学生创新创业项目(S202110519031)。作者简介:姚昊宇(2002—),男,本科,研究方向为食品科学与工程。*通讯作者:李欢欢(1984—),女,硕士,讲师,工程师,...