Designation:D3087−17StandardTestMethodforOperatingPerformanceofAnion-ExchangeMaterialsforStrongAcidRemoval1ThisstandardisissuedunderthefixeddesignationD3087;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheoper-atingcapacityofanion-exchangematerialswhenusedfortheremovalofhydrochloricandsulfuricacidfromwater.Itisdesignedtosimulateoperatingconditionsforstrongacidremovalandisintendedforuseintestingbothnewandusedmaterials.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1067TestMethodsforAcidityorAlkalinityofWaterD1125TestMethodsforElectricalConductivityandResis-tivityofWaterD1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD2687PracticesforSamplingParticulateIon-ExchangeMa-terialsD5391TestMethodforElectricalConductivityandResis-tivityofaFlowingHighPurityWaterSample3.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsusedinthisstandard,refertoTerminologyD1129.4.SummaryofTestMethod4.1Thetestmethodconsistsofrepeatedcyclesofbackwash,baseregeneration,rinse,andexhaustionofthesampleintheformofabedinatransparentcolumn.Theexhaustionmediumusedisanion-exchangetestwater.5.SignificanceandU...
