Designation:D7578−15StandardGuideforCalibrationRequirementsforElementalAnalysisofPetroleumProductsandLubricants1ThisstandardisissuedunderthefixeddesignationD7578;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisguidecoversdifferentwaysbywhichthetestmethodsusedforelementalanalysisofpetroleumproductandlubricantsamplesarecalibratedbeforethesampleanalysis.1.2Uniformpracticefortestmethodcalibrationisbenefi-cialinstandardizingtheprocedures,andobtainingconsistentresultsacrossdifferentlaboratories.1.3Thisguideincludesonlythebasicstepsforgenerallyencounteredinstrumenttypes.Anythingoutoftheordinarymayrequirespecialprocedures.Seeindividualtestmethodsforinstructionstohandlesuchsituations.1.4Thisguideisnotasubstituteforathoroughunderstand-ingoftheactualtestmethodtobeused,caveatsitcontains,andadditionalinstrumentpreparationthatmayberequired.1.5Theusershouldnotexpandthescopeofthetestmethodstomaterialsorconcentrationsoutsidethescopeofthetestmethodsbeingused.1.6Thisguideshouldalsobeapplicabletosampleprepa-rationofnon-petroleumbasedbio-fuelsforelementalanalysis.WorkisunderwayontheseaspectsinSubcommitteeD02.03.Asmoreinformationbecomesavailable,itwillbeaddedtothisstandard.1.7ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D129TestMethodforSulfurinPetroleumProducts(Gen-eralHighPressureDecompositionDeviceMethod)D445TestMethodforKinematicViscosityofTransparentandOpaqueLiquids(andCalculationofDynamicViscos-ity)D482TestMethodforAshfromPetro...
