Designation:D941-88AMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceSI.,Philadelphia.Pa.19103ReprintedfromtheAnnualBookofASTMStandards.CopyrightASTMIfnotlistedinthecurrentcombinedindex.willappearinthenextedition.AnAn&anNationalStandardStandardTestMethodforDensityandRelativeDensity(SpecificGravity)ofLiquidsbyLipkinBicapillaryPycnometer’ThisstandardisissuedunderthefixeddesignationD941;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapprovat.Asuperscriptepsilon(3indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefensetoreplaceMethod402ofTestMethodStandardNo791b.ConsulttheDODIndexofSpecijcationsandStandardsforthespeci/icyearofissuewhichhasbeenadoptedbytheDepartmentofDefense.1.Scope1.1Thistestmethodcoversthemeasurementofthedensityofanyhydrocarbonmaterialthatcanbehandledinanormalfashionasaliquidatthespecifiedtesttemperaturesof20to25°C.Itsapplicationisrestrictedtoliquidshavingvaporpressureslessthan80kPa(600mmHg)andhavingviscositieslessthan15mm’/s(cst)at20°C.Ii2Twoproceduresarecoveredasfollows:1.2.1ProcedureA,forpurecompoundsandmixtureswhicharenothighlyvolatile.1.2.2ProcedureB,forhighlyvolatilemixtures.1.3Thistestmethodprovidesacalculationprocedureforconvertingdensitytorelativedensity.1.4Thisstandardmayinvolvehazardousmaterials,oper-ations,andequipment.Thisstandarddoesnotpurporttoaddressallofthe.safetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninNotes1,2,6andAnnexAl,2.ReferencedDocuments2.1ASTMStandards:D1250PetroleumMeasurementTables2E1SpecificationforASTMThermometers33.Teiminology’3.1density-massperunitvolume.3.1.1Discussion-Inthistestmethod,themeasurementisatanygiventemperatureandtheunitsaregramspermillilitre.3.1.2r...
