Designation:D4451−02(Reapproved2014)StandardTestMethodforPigmentContentofPaintsbyLow-TemperatureAshing1ThisstandardisissuedunderthefixeddesignationD4451;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthepigmentcontentofpaintsandseveraltrafficmarkingmaterials(thermoplasticandpre-formedtape)bylow-temperaturefurnaceashing.Someorganicpigmentsmaybelostbythismethodandsomewaterormoisturecontainedinpigmentswillbelost.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D3723TestMethodforPigmentContentofWater-EmulsionPaintsbyLow-TemperatureAshingE180PracticeforDeterminingthePrecisionofASTMMethodsforAnalysisandTestingofIndustrialandSpe-cialtyChemicals(Withdrawn2009)33.SummaryofTestMethod3.1Thespecimenistransferredtoataredporcelaindish,dried(ifnecessary)at105°C,andheatedonaburner.Thedishandspecimenaretransferredtoamufflefurnaceandheatedat450°C.Thedishandspecimenarereweighedandthepigment(ash)contentcalculated.4.Apparatus4.1MuffleFurnace,maintainedat450°C625°C.4.2CirculatingOven,maintainedat105°C62°C.4.3PorcelainDishes,90-mmdiameter.4.4PlasticDisposableSyringe,10-mLcapacity.4.5Burner,mekertype.5.Reagents5.1PurityofReagents—Reagentgradechemicalsshallbeusedinalltests.Unlessotherwiseindicated,itisintendedthatallreagentsshallconformtothespecificationsoftheCommit-teeonAnalyticalReagentsoftheAmericanChemicalSociety,wheresuchspecificationsareavailable.45.2Toluene.6.Procedure6.1Liquid-Paint:6.1.1Mixthesampleuntilho...
