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1、November1999CollectionofOfficialMethodsunderArticle35oftheGermanFederalFoodActAnalysisofFoodstuffs00.00LModularMultipleAnalyticalMethodfortheDeterminationofPesticideResiduesinFoodstuffs34(ExtendedandRevisedVersionoftheDFGMethodS19)1AimandscopeInaddition,thismodularformfacilitatestheintroductionof
2、newandapprovedtechniquesinthefuture,e.g.theThisofficialmethodspecifiesaprocedurefortheresidueHPLCasamoduleforcleanuporfordeterminationpur-analysisoforganochlorine,organophosphorus,nitrogen-poses.containingandotherpesticidesinfoodstuffs.ItreflectsForallthesereasons,theAnalyticalWorkingGroupoftheDF
3、GMultiresidueMethodS19initsoriginal[1]asthePesticidesCommissionatBgVVpublisheshereanwellasinitsmodifiedversion[2]andaffordsamuchextendedversionofthelatestavailableandreliablebroaderfieldofapplication.methodology.Ittakesthementionedpointsintoaccount2Definitionandmakesthemodularstructuretransparent
4、.SinceeachmoduleiscompletelydescribedthusavoidingThetermpesticideresiduecontentofafoodstuffisde-complicatingcross-references,thereiterationofseveralfinedasthecontentdeterminedbyusingthismethod.Ittextshadtobeaccepted.isexpressedinmg/kg.4Sampling3Introduction4.1SamplingstudyplanTheMultiresidueMetho
5、dS19oftheDFGManualin-cludingtheCleanupMethod6(gelchromatographicThesamplingprocedurefortheofficialcontrolofresi-cleanup)[3]hasprovedtobeusedsuccessfullyinmanyduesofpesticidesonandinfruitandvegetableshastolaboratoriesbecauseofitsbroadapplicabilityforthegascomplywiththeprovisiongiveninL29.00-1inthe
6、Ger-chromatographicdeterminationofpesticideresiduesinmanCollectionofOfficialMethods.foodstuffs.ItwasalsoincludedintotherespectiveEuro-4.2SamplepreparationpeanStandards[4,5].ReferenceisgiventotherecommendationsoftheDFGInthemeantimeamodificationoftheextractionandpar-Manual[6]andofthePesticideWorkin
7、gGroupof“Le-titionstephasbeenimplemented[2].Itrequireslessex-bensmittelchemischeGesellschaft”(GDCh)[7].perimentaleffortsandmanageswithoutdichloromethanewhichisundesirablefortoxicologicalandecologicalrea-5Proceduresons.
