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Standard Test Method for Determination of Kinetic Parameters and Reaction Order for Thermally Unstable Materials by Differential Scanning Calorimetry Using the Kissinger and Farjas Methods
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NORM herausgegeben am 1.10.2021
Bezeichnung normen: ASTM E2890-21
Ausgabedatum normen: 1.10.2021
SKU: NS-1043835
Zahl der Seiten: 12
Gewicht ca.: 36 g (0.08 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
activation energy, Arrhenius kinetic parameters, differential scanning calorimetry, hazard potential, kinetics, pre-exponential factor, thermal analysis, thermal hazard, thermal stability,, ICS Number Code 17.200.10 (Heat. Calorimetry)
Significance and Use | ||||||||||||||||||||||||
6.1?This test method is useful for research and development, quality assurance, regulatory compliance and specification-based acceptance. 6.2?The kinetic parameters determined by this method may be used to calculate thermal hazard figures-of-merit according to Practice E1231. |
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1. Scope | ||||||||||||||||||||||||
1.1?This test method describes the determination of the kinetic parameters of Arrhenius activation energy and pre-exponential factor using the Kissinger variable heating rate iso-conversion method (1, 2)2 and activation energy and reaction order by the Farjas method 1.2?Both 1.3?This test method uses the same experimental conditions as Test Method E698. The Flynn/Wall/Ozawa data treatment of Test Method E698 may be simultaneously applied to these experimental results. 1.4?The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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