Designation:D5471−10StandardSpecificationforO-Xylene9801ThisstandardisissuedunderthefixeddesignationD5471;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversagradeofo-xyleneidentifiedasortho-Xylene980.1.2Thefollowingappliestoallspecifiedlimitsinthisspecification:forpurposesofdeterminingconformancewiththisspecification,anobservedvalueoracalculatedvalueshallberoundedofftothenearestunitinthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4ConsultcurrentOSHAregulationsandsupplier’sMate-rialSafetyDataSheets,andlocalregulationsforallmaterialsusedinthisspecification.2.ReferencedDocuments2.1ASTMStandards:2D850TestMethodforDistillationofIndustrialAromaticHydrocarbonsandRelatedMaterialsD1209TestMethodforColorofClearLiquids(Platinum-CobaltScale)D1492TestMethodforBromineIndexofAromaticHydro-carbonsbyCoulometricTitrationD3437PracticeforSamplingandHandlingLiquidCyclicProductsD3797TestMethodforAnalysisofo-XylenebyGasChro-matographyD5386TestMethodforColorofLiquidsUsingTristimulusColorimetryD5776TestMethodforBromineIndexofAromaticHydro-carbonsbyElectrometricTitrationD7504TestMethodforTraceImpuritiesinMonocyclicAromaticHydrocarbonsbyGasChromatographyandEffectiveCarbonNumberE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications2.2OtherDocument:3OSHARegulations,29CFRParagraphs1910.1000and1910.12003.Properties3.1O-Xylene980shallconformtothefollowingrequire-ments:PropertySpecificationASTMTestMethodAPurity,min,wt%98.0D3797orD7504Nonaromatichydrocarbons,max,wt%0.5D3797orD7504p-Xyleneplusm-Xylene,max,wt%1.3D3797orD7504C9andheavieraromatics,max,wt%0.8D3797o...
