Designation:D6937−08StandardTestMethodforDeterminingDensityofEmulsifiedAsphalt1ThisstandardisissuedunderthefixeddesignationD6937;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofdensityofemulsifiedasphaltusedinhighwayconstruction.Thisunitiscomputedbydeterminingthemassofanemulsifiedasphaltcontainedinastandardmeasureofknownvolume.1.2Thistestmethoddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:E1SpecificationforASTMLiquid-in-GlassThermometers3.SignificanceandUse3.1Thistestmethodprovidesacontrolledlaboratorytestforthedeterminationofquantitativevolumesofemulsifiedasphaltforuseinbillsoflading,invoicing,andapplicationrates.4.SampleConditioningforTesting4.1Allemulsifiedasphaltsshallbeproperlystirredtoachievehomogeneitybeforetesting.4.2Allemulsifiedasphaltswithviscositytestingrequire-mentsof50°Cshallbeheatedto5063°Cintheoriginalsamplecontainerinawaterbathoroven.Thecontainershouldbeventedtorelievepressure.Afterthesamplereaches5063°C,stirthesampletoachievehomogeneity.4.3Emulsifiedasphaltswithviscositytestingrequirementsof25°Cshouldbemixedorstirredat2563°Cintheoriginalsamplecontainertoachievehomogeneity.NOTE1—Emulsifiedasphaltswithviscositytestingrequirementsof25°Cmaybeheatedandstirredasspecifiedin4.2ifnecessary.Intheeventthe4.2methodisused,thesampleshouldbecooledto2563°Cbeforetesting.5.Apparatus5.1DensityCup—Stainlesssteelmeasureofknownstan-dardvolume(83.2mL).5.2Balance—capableofbeingreadtothenearest0.01g.5.3WaterBath—constant-temperature,maintainedat2560.5°C.5.4Thermometer—ASTM17Cor17Fconformin...
