Designation:D2935–96(Reapproved2000)StandardTestMethodforApparentDensityofIndustrialAromaticHydrocarbons1ThisstandardisissuedunderthefixeddesignationD2935;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1ThistestmethodcoversthemeasurementofapparentdensityinpoundsinairperU.S.gallonatconvenienttempera-turesusingahydrometer,andreportingatanyspecifiedatmospherictemperature.1.2Thefollowingappliestoallspecifiedlimitsinthistestmethod:forpurposesofdeterminingconformancewiththistestmethod,anobservedvalueoracalculatedvalueshallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.3Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection7andNote3.2.ReferencedDocuments2.1ASTMStandards:D3437PracticeforSamplingandHandlingLiquidCyclicProducts2E1SpecificationforASTMThermometers3E12TerminologyRelatingtoDensityandSpecificGravityofSolids,Liquids,andGases4E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications5E100SpecificationforASTMHydrometers32.2OtherDocument:OSHARegulations,29CFR,paragraphs1910.1000and1910.120063.Terminology3.1Definitions:3.1.1apparentdensityat60°F—theweightinairofaunitvolumeofsampleat60°F;inthistestmethod,theweightisinpounds,andthevolumeinU.S.liquidgallons.Averageairinthistestmethodisassumedtohaveadensityof0.0012g/cm3.NOTE1—ThisdefinitionisnotinconflictwiththatgiveninthecurrentversionofTerminologyE12.4.SummaryofTestMethod4.1Ahydrome...
