ASTM E968-2002(2008) 差分扫描量热计的热流量校准的标准方法

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【英文标准名称】:StandardPracticeforHeatFlowCalibrationofDifferentialScanningCalorimeters
【原文标准名称】:差分扫描量热计的热流量校准的标准方法
【标准号】:ASTME968-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Calibration--calorimeters;Differentialscanningcalorimetry(DSC);Temperaturetests--chemicals;Thermalanalysis(TA)
【摘要】:Differentialscanningcalorimetryisusedtodeterminetheheatorenthalpyoftransition.Forthisinformationtobemeaningfulinanabsolutesense,heatflowcalibrationoftheapparatusorcomparisonoftheresultingdatatothatofaknownstandardisrequired.Thispracticeisusefulincalibratingtheheatflowaxisofdifferentialscanningcalorimetersorquantitativedifferentialthermalanalyzersforsubsequentuseinthemeasurementoftransitionenergiesandspecificheatcapacitiesofunknowns.1.1Thispracticecoverstheheatflowcalibrationofdifferentialscanningcalorimetersoverthetemperaturerangefromx2212;130x00B0;Cto+800x00B0;C.1.2ValuesgiveninSIunitsaretoberegardedasthestandard.1.3Computerorelectronicbasedinstruments,techniquesordatamanipulationequivalenttothispracticemayalsobeused.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeealsoSection7.
【中国标准分类号】:N11
【国际标准分类号】:17_200_10
【页数】:5P.;A4
【正文语种】:英语