Designation:D8056−18StandardGuideforElementalAnalysisofCrudeOil1ThisstandardisissuedunderthefixeddesignationD8056;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisguidesummarizesthecurrentinformationaboutthetestmethodsforelementalandassociatedanalysesusedintheanalysisofcrudeoils.Thisinformationcanbehelpfulintradebetweenthebuyersandsellersofcrudeoil.Elementalanalysestestsformanimportantpartofquantifyingthecrudeoilquality.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D129TestMethodforSulfurinPetroleumProducts(Gen-eralHighPressureDecompositionDeviceMethod)D482TestMethodforAshfromPetroleumProductsD1548TestMethodforVanadiuminHeavyFuelOil1(Withdrawn1997)3D1552TestMethodforSulfurinPetroleumProductsbyHighTemperatureCombustionandInfrared(IR)Detec-tionorThermalConductivityDetection(TCD)D2622TestMethodforSulfurinPetroleumProductsbyWavelengthDispersiveX-rayFluorescenceSpectrometryD3227TestMethodfor(ThiolMercaptan)SulfurinGasoline,Kerosine,AviationTurbine,andDistillateFuels(PotentiometricMethod)D3228TestMethodforTotalNitrogeninLubricatingOilsandFuelOilsbyModifiedKjeldahlMethodD3230TestMethodforSaltsinCrudeOil(ElectrometricMeth...
