ASTM E2041-2008e1 使用Borchardt和Daniels方法的差分扫描热量计动力参数评估用标准方法

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【英文标准名称】:StandardMethodforEstimatingKineticParametersbyDifferentialScanningCalorimeterUsingtheBorchardtandDanielsMethod
【原文标准名称】:使用Borchardt和Daniels方法的差分扫描热量计动力参数评估用标准方法
【标准号】:ASTME2041-2008e1
【标准状态】:现行
【国别】:
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E37.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:活化能;Arrhenius频率因子;差分扫描热量计(DSC);动力学;预指数因子;反作用;Arrhenius动力常量;Borchardt和Daniels动力学;发热温度分析;动力热性/特性/参数
【英文主题词】:activationenergy;Arrheniusfrequencyfactor;BorchardtandDanielskinetics;differentialscanningcalorimetry(DSC);kinetics;pre-exponentialfactor;reactions;Activationenergy;Arrheniuskineticconstants;BorchardtandDanielskinetics;Differenti
【摘要】:Thistestmethodisusefulinresearchanddevelopment.Thedeterminationoftheappropriatemodelforachemicalreactionortransformationandthevaluesassociatedwithitskineticparametersmaybeusedintheestimationofreactionperformanceattemperaturesortimeconditionsnoteasilytested.Thisuse,however,isnotdescribedinthistestmethod.1.1Thistestmethoddescribesthedeterminationofthekineticparametersofactivationenergy,Arrheniuspre-exponentialfactor,andreactionorderusingtheBorchardtandDanielstreatmentofdataobtainedbydifferentialscanningcalorimetry.Thistestmethodisapplicabletothetemperaturerangefrom170to870K(x2212;100to600x00B0;C).1.2Thistreatmentisapplicableonlytosmoothexothermicreactionswithnoshoulders,discontinuouschanges,orshiftsinbaseline.Itisapplicableonlytoreactionswithreactionordernx2264;2.Itisnotapplicabletoautocatalyzedreactionsand,therefore,isnotapplicabletothedeterminationofkineticparametersformostthermosetcuringreactionsortocrystallizationreactions.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thistestmethodissimilar,butnotequivalentto,ISOMethod11357,Part5,thatcontainsprovisionsforadditionalinformationnotsuppliedbythistestmethod.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:17_200_10
【页数】:9P.;A4
【正文语种】: