Designation:D1555−16StandardTestMethodforCalculationofVolumeandWeightofIndustrialAromaticHydrocarbonsandCyclohexane1ThisstandardisissuedunderthefixeddesignationD1555;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisstandardisforuseincalculatingtheweightandvolumeofbenzene,toluene,mixedxylenes,styrene,ortho-xylene,meta-xylene,para-xylene,cumene,ethylbenzene,300to350°Fand350to400°Faromatichydrocarbons,andcyclohexane.Amethodisgivenforcalculatingthevolumeat60°Ffromanobservedvolumeatt°F.Table1liststhedensityinVacuoat60°Fforchemicalsusedtodeveloptherelation-ship.Densities(orweights)“invacuo”representthetruedensity(orweight)ifmeasuredinavacuumwithoutthebuoyancyeffectofairactingontheliquid.Itisrepresentativeoftheactualamountofproductpresent.Densities(orweights)“inair”representwhatwouldactuallybemeasuredonascale.Thedifferenceisontheorderof0.13%.ModerndensitometersmeasuredensityinvacuoandtheASTMrecommendstheuseofinvacuodensities(orweights).1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.2.1AcompleteSIunitcompanionstandardhasbeendevelopedinTestMethodD1555M.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1217TestMethodforDensityandRelativeDensity(Spe-cificGravity)ofLiquidsbyBinghamPycnometerD1555MTestMethodforCalculationofVolumeandWeightofIndustrialAromaticHydrocarbonsandCyclohexane[Metric]D3505TestMethodforDensityorRelativeDensityofPureLiquidChemicalsD4052TestMethodforDensity,Relat...
