Designation:D2804−22StandardTestMethodforPurityofMethylEthylKetoneByGasChromatography1ThisstandardisissuedunderthefixeddesignationD2804;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofthepurityofmethylethylketonebygaschromatography.Impuritiesincludingwater,acidity,andnonvolatilematteraremeasuredbyappropriateASTMproceduresandtheresultsareusedtonormalizethechromatographicvalue.1.2Forpurposesofdeterminingconformanceofanob-servedvalueoracalculatedvalueusingthistestmethodtorelevantspecifications,testresult(s)shallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Forhazardinformationandguidance,seethesupplier’sMaterialSafetyDataSheet.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1353TestMethodforNonvolatileMatterinVolatileSol-ventsforUseinPaint,Varnish,Lacquer,andRelatedProductsD1364TestMethodforWaterinVolatileSolvents(KarlFischerReagentTitrationMethod)D1613TestMethodforAcidityinVolatileSolventsandChemicalIntermediatesUsedinPaint,Varnish,Lacquer,andRelatedProductsD2593TestMethodforButadienePurityandHydrocarbonImpuritiesbyGasChromatographyD4626PracticeforCalculationofGasChromatographicResponseFactorsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpe...