Designation:D6069–01(Reapproved2006)StandardTestMethodforTraceNitrogeninAromaticHydrocarbonsbyOxidativeCombustionandReducedPressureChemiluminescenceDetection1ThisstandardisissuedunderthefixeddesignationD6069;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationoftotalnitrogen(organicandinorganic)inaromatichydrocarbons,theirderivativesandrelatedchemicals.1.2Thistestmethodisapplicableforsamplescontainingnitrogenfrom0.2to2mgN/kg.Forhighernitrogenconcen-trationsrefertoTestMethodD4629.1.2.1Thedetectorresponseofthistechniquewithinthespecifiedscopeofthistestmethodislinearwithnitrogenconcentration.1.3Thefollowingappliestoallspecifiedlimitsinthistestmethod:forpurposesofdeterminingconformancewiththistestmethod,anobservedvalueoracalculatedvalueshallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection9.2.ReferencedDocuments2.1ASTMStandards:2D1555TestMethodforCalculationofVolumeandWeightofIndustrialAromaticHydrocarbonsandCyclohexaneD3437PracticeforSamplingandHandlingLiquidCyclicProductsD4629TestMethodforTraceNitrogeninLiquidPetro-leumHydrocarbonsbySyringe/InletOxidativeCombus-tionandChemiluminescenceDetectionE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisio...