Designation:D3329−03(Reapproved2017)StandardTestMethodforPurityofMethylIsobutylKetonebyGasChromatography1,2ThisstandardisissuedunderthefixeddesignationD3329;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofthepurityofmethylisobutylketone(MIBK)bygaschromatographyandinadditionprovidesameansformeasuringcertainimpuritiessuchasmethylisobutylcarbinolwhichareofinterest.Impu-ritiessuchaswaterandacidityaremeasuredbyotherappro-priateASTMproceduresandtheresultsareusedtonormalizethechromatographicvalue.1.2Thefollowingappliestoallspecifiedlimitsinthisstandard;forpurposesofdeterminingconformancewiththisstandard,anobservedvalueoracalculatedvalueshallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththeround-offmethodofPracticeE29.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Forspecifichazardinformationandguidance,seethesupplier’sSafetyDataSheetforthematerialslistedinthistestmethod.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1364TestMethodforWaterinVolatileSolvents(KarlFischerReagentTitrationMethod)D1613Tes...