• ASTM E 2958 : 2021 : REDLINE

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    Standard Test Methods for Kinetic Parameters by Factor Jump/Modulated Thermogravimetry

    Available format(s):  PDF

    Language(s):  English

    Published date:  11-08-2021

    Publisher:  American Society for Testing and Materials

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    1.1These test methods describe the model-free determination of Arrhenius activation energy by thermogravimetry using the factor jump (1)2 (Test Method A) or modulated thermogravimetry (2) (Test Methods B and C) techniques. With the assumption of a first-order kinetic model, the pre-exponential factor is additionally determined.

    1.2These test methods are applicable to materials with well-defined decomposition profiles, namely, a smooth, continuous mass change.

    1.3These test methods are applicable to decomposition occurring in the range from 400 K to 1200 K (nominally 100 °C to 900 °C). The temperature range may be extended depending on the instrumentation and material used.

    1.4The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.5This 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.

    1.6This 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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    Committee E 37
    Document Type Redline
    Publisher American Society for Testing and Materials
    Status Current
    Supersedes
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