Designation:D7513−17StandardTestMethodforCapacityofMixedBedIonExchangeCartridges1ThisstandardisissuedunderthefixeddesignationD7513;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheperfor-manceofmixedbedionexchangeresincartridgesintheactiveformwhenusedfordeionization.Thetestcanbeusedtodeterminetheinitialcapacityofunusedcartridgesortheremainingcapacityofusedcartridges.Inthiscaseperformanceisdefinedasionexchangecapacity(orthroughput)totwodefinedendpoints.Themethoddoesnotmeasureorganicsanddoesnotattempttodeterminetheultimatewaterqualityattainablebythecartridge.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1125TestMethodsforElectricalConductivityandResis-tivityofWaterD1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD3375TestMethodforColumnCapacityofParticulateMixedBedIonExchangeMaterialsD5391TestMethodforElectricalConductivityandResis-tivityofaFlowingHighPurityWaterSample3.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsusedinthisstandard,refertoTerminologyD1129.4.SummaryofTestMethod4.1Thistestmethodconsistsofexhaustingacartridgeofmixedbedionexchangematerialtoaspecificendpointwithan...
