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ASTM International - ASTM E698-11

Standard Test Method for Arrhenius Kinetic Constants for Thermally Unstable Materials Using Differential Scanning Calorimetry and the Flynn/Wall/Ozawa Method

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Organization: ASTM International
Publication Date: 1 March 2011
Status: inactive
Page Count: 8
ICS Code (Environmental testing): 19.040
significance And Use:

The Arrhenius parameters combined with the general rate law and the reaction enthalpy can be used for the determination of thermal explosion hazards (1)

scope:

1.1 This test method covers the determination of the overall kinetic parameters for exothermic reactions using the Flynn/Wall/Ozawa method and differential scanning calorimetry.

1.2 This technique is applicable to reactions whose behavior can be described by the Arrhenius equation and the general rate law.

1.3 Limitations-There are cases where this technique is not applicable. Limitations may be indicated by curves departing from a straight line (see 11.2) or the isothermal aging test not closely agreeing with the results predicted by the calculated kinetic values. In particular, this test method is not applicable to reactions that are partially inhibited. The technique may not work with reactions that include simultaneous or consecutive reaction steps. This test method may not apply to materials that undergo phase transitions if the reaction rate is significant at the transition temperature.

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 may involve hazardous materials, operations, and equipment. 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 and health practices and determine the applicability of regulatory limitations prior to use.

Document History

June 1, 2018
Standard Test Method for Kinetic Parameters for Thermally Unstable Materials Using Differential Scanning Calorimetry and the Flynn/Wall/Ozawa Method
1.1 This test method covers the determination of the overall kinetic parameters for exothermic reactions using the Flynn/Wall/Ozawa method and differential scanning calorimetry. 1.2 This technique...
April 15, 2016
Standard Test Method for Kinetic Parameters for Thermally Unstable Materials Using Differential Scanning Calorimetry and the Flynn/Wall/Ozawa Method
1.1 This test method covers the determination of the overall kinetic parameters for exothermic reactions using the Flynn/Wall/Ozawa method and differential scanning calorimetry. 1.2 This technique...
ASTM E698-11
March 1, 2011
Standard Test Method for Arrhenius Kinetic Constants for Thermally Unstable Materials Using Differential Scanning Calorimetry and the Flynn/Wall/Ozawa Method
1.1 This test method covers the determination of the overall kinetic parameters for exothermic reactions using the Flynn/Wall/Ozawa method and differential scanning calorimetry. 1.2 This technique...
March 1, 2005
Standard Test Method for Arrhenius Kinetic Constants for Thermally Unstable Materials
1.1 This method covers the determination of the overall kinetic parameters for exothermic reactions using the Flynn/Wall/Ozawa method and differential scanning calorimetry. 1.2 This technique is...
November 1, 2004
Standard Test Method for Arrhenius Kinetic Constants for Thermally Unstable Materials
1.1 This method covers the determination of the overall kinetic parameters for exothermic reactions. 1.2 The kinetic parameters are obtained from differential scanning calorimetry (DSC) curves (see...
April 10, 2001
Standard Test Method for Arrhenius Kinetic Constants for Thermally Unstable Materials
1.1 This method covers the determination of the overall kinetic parameters for exothermic reactions. 1.2 The kinetic parameters are obtained from differential scanning calorimetry (DSC) curves (see...
April 10, 2001
Standard Test Method for Arrhenius Kinetic Constants for Thermally Unstable Materials
1.1 This method covers the determination of the overall kinetic parameters for exothermic reactions. 1.2 The kinetic parameters are obtained from differential scanning calorimetry (DSC) curves (see...
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