Designation:C1466−00(Reapproved2016)StandardTestMethodforGraphiteFurnaceAtomicAbsorptionSpectrometricDeterminationofLeadandCadmiumExtractedfromCeramicFoodware1ThisstandardisissuedunderthefixeddesignationC1466;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversproceduresforusinggraphitefurnaceatomicabsorptionspectroscopy(GFAAS)toquantita-tivelydetermineleadandcadmiumextractedbyaceticacidatroomtemperaturefromthefood-contactsurfaceoffoodware.Themethodisapplicabletofood-contactsurfacescomposedofsilicate-basedmaterials(earthenware,glazedceramicware,decoratedceramicware,decoratedglass,andleadcrystalglass)andiscapableofdeterminingleadconcentrationsgreaterthan0.005to0.020µg/mLandcadmiumconcentrationsgreaterthan0.0005to0.002µg/mL,dependingoninstrumentdesign.1.2Thistestmethodalsodescribesqualitycontrolproce-durestocheckforcontaminationandmatrixinterferenceduringGFAASanalysesandaspecificsequenceofanalyticalmeasurementsthatdemonstratesproperinstrumentoperationduringthetimeperiodinwhichsamplesolutionsareanalyzed.1.3Cleaningandothercontaminationcontrolproceduresaredescribedinthistestmethod.Usersmaymodifycontami-nationcontrolproceduresprovidedthatthemodificationsproduceacceptableresultsandareusedforbothsampleandqualitycontrolanalyses.1.4ThevaluesstatedinSI(metric)unitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C738TestMethodforLeadandCadmiumExtractedfromGlazedCeramicSurfaces3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1...
