Designation:D5871−12StandardSpecificationforBenzeneforCyclohexaneFeedstock1ThisstandardisissuedunderthefixeddesignationD5871;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversbenzeneforcyclohexanefeed-stock.1.2Thefollowingappliestoallspecifiedlimitsinthisstandard:forpurposesofdeterminingconformancewiththisstandard,anobservedvalueoracalculatedvalueshallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4ConsultcurrentOSHAregulationssupplier’sMaterialSafetyDataSheetsforallmaterialsusedinthisspecification.2.ReferencedDocuments2.1ASTMStandards:2D848TestMethodforAcidWashColorofIndustrialAro-maticHydrocarbonsD852TestMethodforSolidificationPointofBenzeneD1209TestMethodforColorofClearLiquids(Platinum-CobaltScale)D1685TestMethodforTracesofThiopheneinBenzenebySpectrophotometry(Withdrawn2009)3D3437PracticeforSamplingandHandlingLiquidCyclicProductsD4017TestMethodforWaterinPaintsandPaintMaterialsbyKarlFischerMethodD4492TestMethodforAnalysisofBenzenebyGasChro-matographyD4735TestMethodforDeterminationofTraceThiopheneinRefinedBenzenebyGasChromatographyD5386TestMethodforColorofLiquidsUsingTristimulusColorimetryD5713TestMethodforAnalysisofHighPurityBenzeneforCyclohexaneFeedstockbyCapillaryGasChromatogra-phyD6875TestMethodforSolidificationPointofIndustrialOrganicChemicalsbyThermistorD7011TestMethodforDeterminationofTraceThiopheneinRefinedBenzenebyGasChromatographyandSulfurSelectiveDetectionD7183TestMethodforDeterminationofTotalSulfurinAromaticHydrocarbonsandRelatedChemicalsbyUltra-violetFluorescenceD7375TestMethodforTraceQuantitiesofWaterinAro-ma...
