Designation:D5091−95(Reapproved2014)StandardGuideforWaterAnalysisforElectrodialysis/ElectrodialysisReversalApplications1ThisstandardisissuedunderthefixeddesignationD5091;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversthedeterminationsthatshouldbeperformedonanygivenwaterifprocessingbyelectrodialysis/electrodialysisreversalisbeingconsidered.1.2Thisguideisapplicabletoallwatersbutisnotneces-sarilycompleteforwastewaters.1.3Thisisaguideonlyandshouldnotbeconstruedasacompletedelineationofallanalysisrequiredforaspecificapplication.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D511TestMethodsforCalciumandMagnesiumInWaterD512TestMethodsforChlorideIonInWaterD516TestMethodforSulfateIoninWaterD857TestMethodforAluminuminWaterD858TestMethodsforManganeseinWaterD1067TestMethodsforAcidityorAlkalinityofWaterD1068TestMethodsforIroninWaterD1125TestMethodsforElectricalConductivityandResis-tivityofWaterD1129TerminologyRelatingtoWaterD1179TestMethodsforFluorideIoninWaterD1253TestMethodforResidualChlorineinWaterD1293TestMethodsforpHofWaterD1889TestMethodforTurbidityofWater(Withdrawn2007)3D2579TestMethodforTotalOrganicCarboninWater(Withdrawn2002)3D3352TestMethodforStrontiumIoninBrackishWater,Seawater,andBrinesD3370PracticesforSamplingWaterfromClosedConduitsD3561TestMethodforLithium,Potassium,andSodiumIonsinBrackishWater,Seawater,andBrinesbyAtomicAbsorptionSpectrophotometryD3867TestMethodsforNitrite-NitrateinWaterD3920TestMethodforStrontiuminWaterD4189TestMethodforSiltDensityIndex(SDI)ofWaterD4191TestMethodforSodiuminWaterbyAtom...
