Designation:D5217−17StandardGuideforDetectionofFoulingandDegradationofParticulateIonExchangeMaterials1ThisstandardisissuedunderthefixeddesignationD5217;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidepresentsaseriesoftestsandevaluationsintendedtodetectfoulinganddegradationofparticulateionexchangematerials.Suggestionsonreducingfoulingandoncleaningresinsaregiven.1.2Thisguideistobeusedonlyasanaidintheevaluationofparticulateionexchangematerialperformanceanddoesnotpurporttoaddressallpossiblecausesofunsatisfactoryperfor-mance.Theevaluationsofmechanicalandoperationalprob-lemsarenotaddressed.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1129TerminologyRelatingtoWaterD1782TestMethodsforOperatingPerformanceofParticu-lateCation-ExchangeMaterialsD2187TestMethodsandPracticesforEvaluatingPhysicalandChemicalPropertiesofParticulateIon-ExchangeResinsD2332PracticeforAnalysisofWater-FormedDepositsbyWavelength-DispersiveX-RayFluorescenceD2687PracticesforSamplingParticulateIon-ExchangeMa-terialsD3087TestMethodforOperatingPerformanceofAnion-ExchangeMaterialsforStrongAcidRemovalD3375TestMethodforColumnCapacityofParticulateMixedBedIonExchangeMaterialsD3682TestMethodforMajorandMinorElementsinCombustionResiduesfromCoalUtilizationProcesses...
