Designation:D3082−15StandardTestMethodforBoroninWater1ThisstandardisissuedunderthefixeddesignationD3082;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofboroninwaterandwastewatersbythecurcumincolorimetric-extractionmethod2inconcentrationsbetween0.1and1.0mg/L.Therangecanbeextendedbydilutionofthesample.1.2Onlydissolvedboronisdetermined.Thistestmethodrequiresthatthewatersamplebefilteredthrougha0.45-µmmembranefilterbeforeanalysis.1.3Thistestmethodisacolorimetricmethodthatisverysensitivetolowconcentrationsofboroninwaterandrequiresarelativelysmallsamplevolumeforanalysis.1.4Precisionandbiaswereobtainedonnaturalandwaste-waters.Itistheuser’sresponsibilitytoensurethevalidityofthistestmethodforwatersofuntestedmatrices.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:3D1066PracticeforSamplingSteamD1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD2777PracticeforDeterminationofPrecisionandBiasofApplicableTestMethodsofCommitteeD19onWaterD3370PracticesforSamplingWaterfromClosedConduitsD4841PracticeforEstimationofHoldingTimeforWaterSamplesContainingOrganicandInorganicConstituentsD5810GuideforSpikingintoAqueousSamplesD5847PracticeforWritingQualityControlSpecificationsforStandardTestMethodsforWaterAnalysisE60PracticeforAnalysisofMetals,Ores,andRelatedMaterialsbySpectrophotometryE2251SpecificationforLiquid-in-GlassASTMThermom-eterswithLow-HazardPrecisionLiquidsE275PracticeforDescribin...
