Designation:D5217−91(Reapproved2009)StandardGuideforDetectionofFoulingandDegradationofParticulateIonExchangeMaterials1ThisstandardisissuedunderthefixeddesignationD5217;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidepresentsaseriesoftestsandevaluationsintendedtodetectfoulinganddegradationofparticulateionexchangematerials.Suggestionsonreducingfoulingandoncleaningresinsaregiven.1.2Thisguideistobeusedonlyasanaidintheevaluationofparticulateionexchangematerialperformanceanddoesnotpurporttoaddressallpossiblecausesofunsatisfactoryperfor-mance.Theevaluationsofmechanicalandoperationalprob-lemsarenotaddressed.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1129TerminologyRelatingtoWaterD1782TestMethodsforOperatingPerformanceofParticu-lateCation-ExchangeMaterialsD2187TestMethodsforPhysicalandChemicalPropertiesofParticulateIon-ExchangeResinsD2332PracticeforAnalysisofWater-FormedDepositsbyWavelength-DispersiveX-RayFluorescenceD2687PracticesforSamplingParticulateIon-ExchangeMa-terialsD3087TestMethodforOperatingPerformanceofAnion-ExchangeMaterialsforStrongAcidRemovalD3375TestMethodforColumnCapacityofParticulateMixedBedIonExchangeMaterialsD3682TestMethodforMajorandMinorElementsinCombustionResiduesfromCoalUtilizationProcessesD3683TestMethodforTraceElementsinCoalandCokeAshbyAtomicAbsorptionD5042TestMethodforEstimatingtheOrganicFoulingofParticulateAnionExchangeResinsE830TestMethodforAshintheAnalysisSampleofRefuse-DerivedFuel(Withdrawn2011)33.Terminology3.1Definitions—Fordefinitionsoftermsusedinthisguide,refertoTerminologyD1129...
