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1、AppendixE:LaboratoryQualityAssuranceForoveracentury,AOACINTERNATIONALhasprovidedthecorrectedfor.Therandomtypeofuncertaintyaffectseachmeasure-methodsofanalysisrequiredforthemeasurementofanalytesofin-mentinanunpredictablemanner,butoddlyenough,takenasagroupteresttothosegovernmentagenc
2、iesthatregulateproductsassoci-theirbehaviorispredictableandiscalled“randomerror.”Theabil-atedwithagriculture,publichealth,andtheenvironment.Butduringitytocorrectforbiasandusethepredictabilityofrandomerrorofthethepastseveraldecades,analystsrealizedthatprovidingmeasure-groupisthebasi
3、sfordemonstratingtheproductionofmeasurementsmentsbasedonmethodsvalidatedandapprovedthroughcollabora-ofsuitablequality.tivestudywasnotenough.AnalyticalresultshadtobeaccompaniedThecontrolofbiasandrandomerrorofanalyticalmeasurementsisbyconcurrentproofthatthemeasurementswerecorrect.Tha
4、tprooftheformalprocedureoflaboratoryqualitycontrol.Butqualitycontrolcouldbeobtainedbytheapplicationoftheconceptsofqualityassur-isonlythefinalstageofamanagementsystemofqualityassurance,ance,longusedintheindustrialworld,toanalyticalmeasurements.whichencompassesallaspectsoflaboratoryo
5、perationsincludinghousekeeping,supplies,maintenanceofrecords,trainingpersonnel,ScopeofLaboratoryQualityAssurancesupervision,physicalhandlingoflaboratorysamples,documentation,Agoodanalyticalmethodisnecessarytoobtainvalidconcentra-andreporting.Thischapterreviewsonlytheaspectsofqualit
6、ycontroltionestimates,butitisnotsufficient.Thelaboratoryequipmentmustasitpertainstothedirectproductionanddocumentationofanalyticalberunninginaccordwithspecifications.Analystsmustbeperform-measurements.Withouttheessentialorganizationalinfrastructure,ingtheirworkinaprofessionalmanner
7、,andasuitablecheckingpro-however,itisimpossibletoproducequalitymeasurements.Thevol-cessmustbeinoperationtoensurethequalityofanalyticalresults.umesbyTaylorandbyGarfieldlistedinthebibliographyareindis-Theprimaryreasonforperforminglaboratoryanalysesistoob-pensableforsupplyingthiskindo
8、finformation.taininformati
