2023年第1期文章编号：1671-9646（2023）01b-0057-05第1期（总第568期）农产品加工No.12023年1月FarmProductsProcessingJan.摘要：建立一种肉制品中的5种有机磷农药含量的气相色谱-三重四极杆串联质谱（Gaschromatography-tandemmassspectrometry，GC-MS/MS）的定性定量分析方法。样品用乙腈提取，加入合适比例的粉剂净化，40℃水浴吹至近干。定容后，用GC-MS/MS法同时对5种有机磷农药进行定性定量分析，内标法定量。结果表明，这2种农药在10~500ng/mL质量浓度内，相关系数均大于0.999，检出限为0.001~0.010mg/kg，定量限为0.003~0.030mg/kg，样品的加标回收率在80%~120%，相对标准偏差均小于12%。该方法灵敏度、准确度和稳定性较高，适用于肉制品中5种有机磷农药的检测。关键词：GC-MS/MS；农药残留；肉制品；辛硫磷中图分类号：TS207.5文献标志码：Adoi：10.16693/j.cnki.1671-9646（X）.2023.01.047DeterminationofFiveKindsofPesticideResiduesinMeatProductsbyGCQQQBaseonQuEChERSZHANGBiyu1，ZHOUJianfeng1，XIANGLinmin1，YANYanyang1，*SUIYujie2（1.WenzhouQualityandTechnologyTestingResearchInstitute，Wenzhou，Zhejiang325000，China；2.WenzhouInstituteforFoodandDrugControl，Wenzhou，Zhejiang325000，China）Abstract：Toestablishamethodforthesimultaneousdeterminationoffivekindsoforganicphosphoruspesticideresiduesinthemeatproductsbygaschromatography-tandemmassspectrometry（GC-MS/MS）.Thesamplewasextractedwithacetoni-trile，purifiedbyaddingappropriateproportionofpowder，andblowntonearlydryin40℃waterbath.Afterconstantvol-ume，fivekindsoforganicphosphoruspesticideswereanalyzedqualitativelyandquantitativelybyGC-MS/MS，andquantifiedbyinternalstandardmethod.Theresultsshowedthatthecorrelationcoefficientsofthelinearequationsofthefivekindsofpes-ticideresiduesintheconcentrationrangeof10~500ng/mL，weremorethan0.999，withthelimitsofdetectionfrom0.001~0.010mg/kg，andthelimitsofquantitationfrom0.003~0.030mg/kg.Therecoveriesofstandardadditionofthesamplewere80%~120%，andtherelativestandardsdeviationwerelessthan12%.Themethodhadhighsensitivity，accuracyandstabili-ty，andwassuitableforthedetectionoffivekindsoforganicphosphoruspesticideresiduesinmeatproducts...
