ASTM E1981-98
Historical Standard: ASTM E1981-98 Standard Guide for Assessing the Thermal Stability of Materials by Methods of Accelerating Rate Calorimetry
SUPERSEDED (see Active link, below)
ASTM E1981
1. Scope
1.1 This guide covers suggested procedures for the operation of a calorimetric device designed to obtain temperature and pressure data as a function of time for systems undergoing a physicochemical change under nearly adiabatic conditions.
1.2 This guide outlines the calculation of thermodynamic parameters from the time, temperature, and pressure data recorded by a calorimetric device.
1.3 The assessment outlined in this guide may be used over a pressure range from full vacuum to the rated pressure of the reaction container and pressure transducer. The temperature range of the calorimeter typically varies from ambient to 500&176C, but also may be user specified (see 6.6).
1.4 This statement 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. Specific safety precautions are outlined in Section 7.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
E476 Test Method for Thermal Instability of Confined Condensed Phase Systems (Confinement Test)
E487 Test Method for Constant-Temperature Stability of Chemical Materials
E537 Test Method for The Thermal Stability of Chemicals by Differential Scanning Calorimetry
E680 Test Method for Drop Weight Impact Sensitivity of Solid-Phase Hazardous Materials
E698 Test Method for Arrhenius Kinetic Constants for Thermally Unstable Materials Using Differential Scanning Calorimetry and the Flynn/Wall/Ozawa Method
E1231 Practice for Calculation of Hazard Potential Figures-of-Merit for Thermally Unstable Materials
Keywords
calorimetry; thermal hazard; thermal stability;
ICS Code
ICS Number Code 17.200.10 (Heat. Calorimetry)
DOI: 10.1520/E1981-98
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