Designation:D1555−09StandardTestMethodforCalculationofVolumeandWeightofIndustrialAromaticHydrocarbonsandCyclohexane1ThisstandardisissuedunderthefixeddesignationD1555;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisstandardisforuseincalculatingtheweightandvolumeofbenzene,toluene,mixedxylenes,styrene,ortho-xylene,meta-xylene,para-xylene,cumene,ethylbenzene,300to350°Fand350to400°Faromatichydrocarbons,andcyclohexane.Amethodisgivenforcalculatingthevolumeat60°Ffromanobservedvolumeatt°F.Table1liststhedensityinpoundspergallonat60°Fforhighpuritychemicals.1.2Calculatedresultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1AcompleteSIunitcompanionstandardhasbeendevelopedinTestMethodD1555M.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1217TestMethodforDensityandRelativeDensity(Spe-cificGravity)ofLiquidsbyBinghamPycnometerD1555MTestMethodforCalculationofVolumeandWeightofIndustrialAromaticHydrocarbonsandCyclohexane[Metric]D3505TestMethodforDensityorRelativeDensityofPureLiquidChemicalsD4052TestMethodforDensity,RelativeDensity,andAPIGravityofLiquidsbyDigitalDensityMeterE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications2.2OtherDocuments:AmericanPetroleumSocietyResearchProject443Patterson,J.B.,andMorris,E.C.Metrologia,31,1994,pp.277-288NSRDS-NIST75-121TRCThermodynamicTables—Hydrocarbons...