Designation:D5839−15StandardTestMethodforTraceElementAnalysisofHazardousWasteFuelbyEnergy-DispersiveX-RayFluorescenceSpectrometry1ThisstandardisissuedunderthefixeddesignationD5839;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodappliestothedeterminationoftraceelementconcentrationsbyenergy-dispersiveX-rayfluores-cence(EDXRF)spectrometryintypicalliquidhazardouswastefuels(LHWF)usedbyindustrialfurnaces.1.2Thistestmethodhasbeenusedsuccessfullyonnumer-oussamplesofLHWFthataremixturesofsolvents,oils,paints,andpigmentsforthedeterminationofthefollowingelements:Ag,As,Ba,Cd,Cr,Hg,Ni,Pb,Sb,Se,andTl.1.3ThistestmethodalsomaybeapplicabletoelementsnotlistedaboveandtotheanalysisoftracemetalsinorganicliquidsotherthanthoseusedasLHWF.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C982GuideforSelectingComponentsforEnergy-DispersiveX-RayFluorescence(XRF)Systems(With-drawn2008)33.SummaryofTestMethod3.1Aweighedportionofthesampleistransferredtoaporcelainevaporatingdishandplacedonahotplate.Thesampleisheatedfor15to30minatatemperaturenotexceeding105°Ctoevaporatehighlyvolatilecomponents.Thedishisremovedfromthehotplateandallowedtocool.Graphitepowderisblendedwiththeevaporatedsampleuntilahomogeneouspasteisproducedandthesampleweightisrecorded.TheblendedsampleisinsertedinadisposablesamplecupandplacedintheX-rayspectrometerforanalysis.3.2TheKSpectralX-rayemissionlinesareusedforAg,As,Ba,Cd,Cr,Ni,Sb,andSe.3.3TheLspectralX-rayemissionlinesareusedforHg,Pb,andTl.4.SignificanceandUse4.1Theanalysisoftraceelementsisoftenaregulatoryandprocessspecif...