Designation:D4382−12StandardTestMethodforBariuminWater,AtomicAbsorptionSpectrophotometry,GraphiteFurnace1ThisstandardisissuedunderthefixeddesignationD4382;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofdissolvedandtotalrecoverablebariuminmostwatersandwastewaters.1.2Thistestmethodwasevaluatedintherangefrom33.5to132µg/Lofbarium.Therangecanbeincreasedordecreasedbyvaryingthevolumeofsampleinjectedortheinstrumentalsettings.Highconcentrationsmaybedilutedbutpreferablyshouldbeanalyzedbydirectaspirationatomicabsorptionspectrophotometry.1.3Thistestmethodhasbeenusedsuccessfullywithwastetreatmentplanteffluentwater,lakewater,filteredtapwater,andwellwater.Itistheresponsibilityoftheanalysttodeterminethesuitabilityofthetestmethodforothermatrices.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D858TestMethodsforManganeseinWaterD1068TestMethodsforIroninWaterD1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD1687TestMethodsforChromiuminWaterD1688TestMethodsforCopperinWaterD1886TestMethodsforNickelinWaterD2777PracticeforDeterminationofPrecisionandBiasofApplicableTestMethodsofCommitteeD19onWaterD2972TestMethodsforArsenicinWaterD3373TestMethodforVanadiuminWaterD3557TestMethodsforCadmiuminWaterD3558TestMethodsforCobaltinWaterD3559TestMethodsforLeadinWaterD3859TestMethodsforSeleniuminWaterD3866TestMethodsforSilverinWaterD3919PracticeforMeasuringTraceElementsinWaterbyGraphiteFurnaceAtomic...
