农药研究PesticideScienceandAdministration2023,44(1)白菜中农药残留量测定能力验证探讨邹华娇,黄承远,李滢,王家琪,郑鹏,黄波,严为亮(福建省农产品质量安全检验检测中心,福建福州350003)收稿日期:2022-12-26基金项目:福建省农业农村厅农产品质量安全专项项目作者简介:邹华娇,女,主要从事农药管理和农产品质量安全。E-mail:823205962@qq.com。AStudyontheProficiencyTestingforDeterminationofPesticidesResiduesinCabbageZouHuajiao,HuangChengyuan,LiYing,WangJiaqi,ZhengPeng,HuangBo,YanWeiliang(FujianAgriculturalProductQualityandSafetyInspectionandTestingCenter,FuzhouFujian350003,China)Abstract:Toevaluatetheproficiencyoflaboratoriesinpesticideresiduedeterminationbytestingtheirabilitytoanalyzecabbagesamples.Theuniformityandstabilityofthesampleweretestedac-cordingtotheguidelinessetforththeChinaNationalAccreditationServiceforConformityAssess-ment(CNAS).Takingthemedianvalueoftherobuststatisticsasthespecifiedvalue,thetestre-sultsoftheparticipatinglaboratorieswereevaluatedstatisticallyusingtheZ-scoremethod.There-sultsshowedthattheproficiencytestinghadaqualifiedrateof94.05%.However,somepartici-pantswerefoundtohaveissueswiththeapplicationoftestingmethodologies,datatraceability,calibrationofresultsandqualitycontrol.Byexaminingtheoriginaldataandreportrecordsofpartic-ipants,weidentifiedcommontechnicalproblemsinpesticideresiduetestingandprovidedrelevanttechnicalrecommendationstoimprovelaboratorytestingtechnology.Keywords:pesticideresidue;proficiencytesting;cabbage;qualitycontrol摘要:为评价参与能力验证实验室的农药残留检测能力,制备农药残留量测定能力验证用白菜样品,根据中国合格评定国家认可委员会(CNAS)相关文件要求,进行样品均匀性和稳定性检验,以稳健统计的中位值作为指定值,采用Z比分数法对参加检测机构的检测结果进行统计评价。结果显示,能力验证测试结果的合格率为94.05%。部分参加检测机构在检测方法应用、检测数据溯源、检测结果校准和检测质量控制等方面存在问题。研究表明,通过分析参加检测机构的原始数据及报告记录,可以发现农药残留检测过程中存在的共性技术问题,并提出相关技术建议,有助于提升实验室...