Designation:D4734−12StandardSpecificationforRefinedBenzene-5451ThisstandardisissuedunderthefixeddesignationD4734;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversbenzene-545.1.2Thefollowingappliestoallspecifiedlimitsinthisstandard:forpurposesofdeterminingconformancewiththisstandard,anobservedvalueoracalculatedvalueshallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimitinaccordancewiththerounding-offmethodinPracticeE29.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4ConsultcurrentOSHAregulations,supplier’sMaterialSafetyDataSheets,andlocalregulationsforallmaterialsusedinthisspecification.2.ReferencedDocuments2.1ASTMStandards:2D848TestMethodforAcidWashColorofIndustrialAro-maticHydrocarbonsD852TestMethodforSolidificationPointofBenzeneD1209TestMethodforColorofClearLiquids(Platinum-CobaltScale)D1492TestMethodforBromineIndexofAromaticHydro-carbonsbyCoulometricTitrationD1685TestMethodforTracesofThiopheneinBenzenebySpectrophotometry(Withdrawn2009)3D3437PracticeforSamplingandHandlingLiquidCyclicProductsD4492TestMethodforAnalysisofBenzenebyGasChro-matographyD4735TestMethodforDeterminationofTraceThiopheneinRefinedBenzenebyGasChromatographyD5386TestMethodforColorofLiquidsUsingTristimulusColorimetryD5776TestMethodforBromineIndexofAromaticHydro-carbonsbyElectrometricTitrationD6069TestMethodforTraceNitrogeninAromaticHydro-carbonsbyOxidativeCombustionandReducedPressureChemiluminescenceDetectionD6304TestMethodforDeterminationofWaterinPetro-leumProducts,LubricatingOils,andAdditivesbyCou-lometricKarlFischerTitrationD6875TestMethodforSolidificationPointofIndustrialOrganicChemicalsbyThermistorD7011TestMethodforDeterminationofTraceThiopheneinRefi...
