Designation:D1519−95(Reapproved2019)StandardTestMethodsforRubberChemicals—DeterminationofMeltingRange1ThisstandardisissuedunderthefixeddesignationD1519;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthedeterminationofthemeltingrangeofcommercialrubberprocessingchemicalseitherbyuseofcapillarymeltingpointtubesorbydifferentialscanningcalorimetry(DSC).1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D4483PracticeforEvaluatingPrecisionforTestMethodStandardsintheRubberandCarbonBlackManufacturingIndustriesE1SpecificationforASTMLiquid-in-GlassThermometersE324TestMethodforRelativeInitialandFinalMeltingPointsandtheMeltingRangeofOrganicChemicalsE473TerminologyRelatingtoThermalAnalysisandRhe-ologyE967TestMethodforTemperatureCalibrationofDifferen-tialScanningCalorimetersandDifferentialThermalAna-lyzers3.Terminology3.1Definitions:3.1.1differentialscanningcalorimetry—seeTerminologyE473.4.SignificanceandUse4.1Thistestmethodmaybeusedforresearchanddevel-opment.Italsomaybeusedforqualityassurance,providedastandardhasbeenagreeduponbetweenaproducerandauser.4.2Foridentificationpurposes,meltingrangeshouldbesupplementedbymeas...
