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1、農(nóng)藥殘留檢測(cè)技術(shù)PesticideResidueTestTechnology農(nóng)業(yè)部蔬菜品質(zhì)監(jiān)督檢驗(yàn)測(cè)試中心（北京）TheVegetableQualityAuditingandInspectingTestCentreoftheAgricultureDepartment(Beijing)劉肅SuLiu農(nóng)藥殘留限量標(biāo)準(zhǔn)PesticideResidueLimitStandards?中國(guó)食品中農(nóng)藥殘留最大限量標(biāo)準(zhǔn)GB2763-2014中，共涉及農(nóng)藥種類有387種，限量值有3650個(gè)。UnderthePesticideResidueLi
2、mitStandardGB2763-2014forChinesefood,thereare387pesticidesand3650limitvaluesthereofareincluded.?這個(gè)標(biāo)準(zhǔn)還在不斷完善中，農(nóng)藥種類和限量值還在增加。ThisStandardisstillunderimprovementwithmorepesticidecategoriesandtheirlimitvaluesbeingadded.農(nóng)藥殘留檢測(cè)主要過(guò)程MajorStepsofPesticideResidueTest?1、檢測(cè)前工作準(zhǔn)備
3、；PreparationPriortoTest;?2、試樣制備；MakeSamples;?3、提取；Extract;?4、凈化；Purify;?5、測(cè)定；Test;?6、檢測(cè)過(guò)程的質(zhì)量控制。QualityControloverTestProgress.檢測(cè)前工作準(zhǔn)備PreparationPriortoTest?環(huán)境的檢查EnvironmentCheck?應(yīng)對(duì)實(shí)驗(yàn)室、樣品儲(chǔ)藏室、前處理室和儀器室等環(huán)境進(jìn)行控制，保證環(huán)境的溫濕度符合檢測(cè)的要求。Environmentofthelab,thesamplestorage,thepre
4、liminaryprocessingroomandtheinstrumentroomshouldbecontrolledtoguaranteethetemperatureandhumidityoftheenvironmentsatisfyingtestrequirements.?樣品前處理室要進(jìn)行控溫，防止試劑的過(guò)度揮發(fā)，影響結(jié)果的準(zhǔn)確性。濕度較大的地區(qū)，儀器室要除濕。Temperatureofthepreliminaryprocessingroomshouldbecontrolledtopreventreagentsfro
5、moverevaporationwhichmayimpacttheresultaccuracy.Instructroomsinheavyhumidityregionsshouldbedehumanized.檢測(cè)前工作準(zhǔn)備PreparationPriortoTest?試劑和藥品的檢查ReagentandChemicalCheck?每進(jìn)一批試劑和藥品，在使用前按相應(yīng)檢驗(yàn)所要求的標(biāo)準(zhǔn)進(jìn)行檢測(cè)，對(duì)其進(jìn)行雜質(zhì)的檢查，排除試劑對(duì)檢測(cè)結(jié)果的干擾，如有必要應(yīng)進(jìn)行處理后再使用。Reagentsandchemicalsundereachorde
6、rshouldbecheckedofit’simpuritiesasperrelevantrequirementsbeforetheyareapplied,toavoidanypotentialinterferencetothetestresultfromsuchreagents.Treatthereagentsandchemicalsbeforeusewhennecessary.?一般試劑濃縮50~100倍后測(cè)定，檢查是否對(duì)被測(cè)組分有干擾。Undernormalcircumstances,reagentsareconcen
7、trated50to100timesbeforeappliedtotest,todetermineifinterferencetotheobjectiveelementhappens.試樣制備（樣品取樣部位）MakeSamples(PartsfromSamples)?谷物Grains?稻谷、小麥、大麥、玉米、高粱、薏仁、綠豆、豌豆等，取整粒。Rice,wheat,barley,maize,sorghum,coixseed,greenbeen,peaetc,takethewholeitem.?油料Oil?油菜籽、芝麻、棉籽、大
8、豆、花生、葵花籽等，取整粒。Rapeseed,sesame,cottonseed,soybean,peanut,sunflowerseedetc,takethewholeitem.試樣制備（樣品取樣部位）MakeSamples(PartsfromSamples)?蕓薹薯類蔬菜Brassic
