Designation:D5136−19StandardSpecificationforHighPurityp-Xylene1ThisstandardisissuedunderthefixeddesignationD5136;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcovershighpurityp-Xylene.1.2Thefollowingappliestoallspecifiedlimitsinthisspecification:forpurposesofdeterminingconformancewiththisspecification,anobservedvalueoracalculatedvalueshallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4ConsultcurrentOSHAregulations,supplier’sSafetyDataSheets,andlocalregulationsforallmaterialsusedinthisspecification.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D850TestMethodforDistillationofIndustrialAromaticHydrocarbonsandRelatedMaterialsD3437PracticeforSamplingandHandlingLiquidCyclicProductsD5386TestMethodforColorofLiquidsUsingTristimulusColorimetryD5917TestMethodforTraceImpuritiesinMonocyclicAromaticHydrocarbonsbyGasChromatographyandExternalCalibrationD7183TestMethodforDeterminationofTotalSulfurinAromaticHydrocarbonsandRelatedChemicalsbyUltra-violetFluorescenceD7504TestMethodforTraceImpuritiesinMonocyclicAromaticHydrocarbonsbyGasChromatographyandEffectiveCarbonNumberD8005TestMethodforColorofClearLiquids(Platinum-CobaltScale)E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE2680TestMethodforAppearanceofClear,TransparentLiquids(Visual...
