Designation:E2070−13StandardTestMethodforKineticParametersbyDifferentialScanningCalorimetryUsingIsothermalMethods1ThisstandardisissuedunderthefixeddesignationE2070;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1TestMethodsA,B,andCdeterminekineticparametersforactivationenergy,pre-exponentialfactorandreactionorderusingdifferentialscanningcalorimetryfromaseriesofisother-malexperimentsoverasmall(≈10K)temperaturerange.TestMethodAisapplicabletolownthorderreactions.TestMethodsBandCareapplicabletoacceleratingreactionssuchasthermosetcuringorpyrotechnicreactionsandcrystallizationtransformationsinthetemperaturerangefrom300to900K(nominally30to630°C).Thistestmethodisapplicableonlytothesetypesofexothermicreactionswhenthethermalcurvesdonotexhibitshoulders,doublepeaks,discontinuitiesorshiftsinbaseline.1.2TestMethodsDandEalsodeterminestheactivationenergyofasetoftime-to-eventandisothermaltemperaturedatageneratedbythisorotherprocedures1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4ThistestmethodissimilarbutnotequivalenttoISODIS11357,Part5,andprovidesmoreinformationthantheISOstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection8.2.ReferencedDocuments2.1ASTMStandards:2D3350SpecificationforPolyethylenePlasticsPipeandFit-tingsMaterialsD3895TestMethodforOxidative-InductionTimeofPoly-olefinsbyDifferentialScanningCalorimetryD4565TestMethodsforPhysicalandEnvironmentalPer-formancePropertiesofInsulationsandJacketsforTele-communicationsWireandCableD5483TestMethodforOxidati...
