Designation:D7125−22StandardSpecificationforCumene(Isopropylbenzene)ManufacturedViaaZeoliteProcess1ThisstandardisissuedunderthefixeddesignationD7125;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoverscumene(isopropylbenzene)manufacturedusingazeolitecatalystprocess.1.2Thefollowingappliestoallspecifiedlimitsinthisspecification:forpurposesofdeterminingconformancewiththisspecification,anobservedvalueoracalculatedvalueshallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.3Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4ConsultcurrentOSHARegulationsandSupplier’sSafetyDataSheets,andlocalregulationsforallmaterialsusedinthisspecification.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1492TestMethodforBromineIndexofAromaticHydro-carbonsbyCoulometricTitrationD3160TestMethodforPhenolContentofCumene(Isopro-pylbenzene)orAMS(α–Methylstyrene)D3437PracticeforSamplingandHandlingLiquidCyclicProductsD3760TestMethodforAnalysisofIsopropylbenzene(Cumene)byGasChromatographyD5386TestMethodforColorofLiquidsUsingTristimulusColorimetryD5776TestMethodforBromineIndexofAromaticHydro-carbonsbyElectrometricTitrationD7057TestMethodforAnalysisofIsopropylbenzene(Cumene)byGasChromatography(ExternalStandard)D7183TestMethodforDeterminationofTotalSulfurinAromaticHydrocarbonsandRelatedChemicalsbyUltra-violetFluorescenceD7359TestMetho...
