Designation:D7404−07(Reapproved2012)StandardTestMethodforDeterminationofEmulsifiedAsphaltResiduebyMoistureAnalyzer1ThisstandardisissuedunderthefixeddesignationD7404;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.11.1Thistestmethodcoversarapidandquantitativedeterminationoftheresidueinemulsifiedasphaltsusingamoistureanalyzer.Itisapplicabletoallnonsolvent-containingemulsiontypes.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Aprecisionandbiasstatementforthistestmethodhasnotbeencompletedatthistime.Therefore,thistestmethodshouldnotbeusedforacceptanceorrejectionofamaterialforpurchasingpurposes.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D977SpecificationforEmulsifiedAsphaltD2397SpecificationforCationicEmulsifiedAsphaltD6934TestMethodforResiduebyEvaporationofEmulsi-fiedAsphaltD6997TestMethodforDistillationofEmulsifiedAsphalt3.SummaryofTestMethod3.1Asampleofemulsifiedasphaltisplacedinanopensampletraywithanappropriateliquidtransferdevicecapableofhandling1-to3-mLsamplesizes.Thesampleisheatedtoapresettemperatureasrequiredbyemulsiontypebutneverexceeding163°Ctodeterminethepercentageofasphaltresidue.4.SignificanceandUse4.1Thistestisusedtoindicatethecompositionalcharac-teristicsofemulsifiedasphaltandisapplicabletoanionicemulsifiedasphaltsasdescribedinTable1ofSpecificationD977andcationicemulsifiedasphaltasdescribedinTable1ofSpecificationD2397exceptsolvent-containingemulsions.Theresidueobtainedfromthistestmethodmayalsobesubjectedtorheologicalcharacterizations.5.Apparatus5.1GlassRods,withflame-polishedendsusedforstirrin...
