Designation:D6052−97(Reapproved2008)StandardTestMethodforPreparationandElementalAnalysisofLiquidHazardousWastebyEnergy-DispersiveX-RayFluorescence1ThisstandardisissuedunderthefixeddesignationD6052;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftraceandmajorelementconcentrationsbyenergy-dispersiveX-rayfluo-rescencespectrometry(EDXRF)inliquidhazardouswaste(LHW).1.2Thistestmethodhasbeenusedsuccessfullyonnumer-oussamplesofaqueousandorganic-basedLHWforthedeterminationofthefollowingelements:Ag,As,Ba,Br,Cd,Cl,Cr,Cu,Fe,Hg,I,K,Ni,P,Pb,S,Sb,Se,Sn,Tl,V,andZn.1.3Thistestmethodisapplicableforotherelements(Si-U)notlistedin1.2.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C982GuideforSelectingComponentsforEnergy-DispersiveX-RayFluorescence(XRF)Systems(With-drawn2008)3D1193SpecificationforReagentWater2.2OtherASTMDocuments:ASTMDataSeriesDS46X-rayEmissionWavelengthsandKeVTablesforNondiffractiveAnalysis43.SummaryofTestMethod3.1Aweighedportionofactivatedaluminaandsamplearecombinedinamixingvesselandshakenuntilwellmixed.Thesamplemixtureistransferredintoadisposablesamplecupandplacedinthespectrometerforanalysis.3.2TheKspectralemissionlinesareusedforelementsSi-Ba.3.3TheLspectralemissionlinesareusedforelementswithatomicnumbersgreaterthanBa.4.SignificanceandUse4.1Theelementalanalysisofliquidhazardouswasteisoftenimportantforregulatoryandprocessspecificrequire-ments.Thistestmethodprovidestheuseranaccurate,rapidmethodfortraceandmajorelementdeterminations.5.Interferences5.1SpectralOverlaps(Deconvolution):5.1....