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ASTM E 1231 : 2015

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Practice for Calculation of Hazard Potential Figures of Merit for Thermally Unstable Materials
Available format(s)

Hardcopy , PDF

Superseded date

12-09-2019

Language(s)

English

Published date

01-11-2015

This practice covers the calculation of hazard potential figures of merit for exothermic reactions, including:(1)Time-to-thermal-runaway,(2)Time-to-maximum-rate,(3)Critical half thickness,(4)Critical temperature,(5)Adiabatic decomposition temperature rise,(6)Explosion potential,(7)Shock sensitivity,(8)Instantaneous power density, and(9)NFPA instability rating.1.2The kinetic parameters needed in this calculation may be obtained from differential scanning calorimetry (DSC) curves by methods described in other documents.

1.1This practice covers the calculation of hazard potential figures of merit for exothermic reactions, including:

(1)Time-to-thermal-runaway,

(2)Time-to-maximum-rate,

(3)Critical half thickness,

(4)Critical temperature,

(5)Adiabatic decomposition temperature rise,

(6)Explosion potential,

(7)Shock sensitivity,

(8)Instantaneous power density, and

(9)NFPA instability rating.

1.2The kinetic parameters needed in this calculation may be obtained from differential scanning calorimetry (DSC) curves by methods described in other documents.

1.3This technique is the best applicable to simple, single reactions whose behavior can be described by the Arrhenius equation and the general rate law. For reactions which do not meet these conditions, this technique may, with caution, serve as an approximation.

1.4The calculations and results of this practice might be used to estimate the relative degree of hazard for experimental and research quantities of thermally unstable materials for which little experience and few data are available. Comparable calculations and results performed with data developed for well characterized materials in identical equipment, environment, and geometry are key to the ability to estimate relative hazard.

1.5The figures of merit calculated as described in this practice are intended to be used only as a guide for the estimation of the relative thermal hazard potential of a system (materials, container, and surroundings). They are not intended to predict actual thermokinetic performance. The calculated errors for these parameters are an intimate part of this practice and must be provided to stress this. It is strongly recommended that those using the data provided by this practice seek the consultation of qualified personnel for proper interpretation.

1.6The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.7There is no ISO standard equivalent to this practice.

1.8This 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.

Committee
E 27
DocumentType
Standard Practice
Pages
9
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM E 2160 : 2004 : R2018 Standard Test Method for Heat of Reaction of Thermally Reactive Materials by Differential Scanning Calorimetry
ASTM E 1952 : 2017 Standard Test Method for Thermal Conductivity and Thermal Diffusivity by Modulated Temperature Differential Scanning Calorimetry
ASTM E 1445 : 2008 : R2015 Standard Terminology Relating to Hazard Potential of Chemicals
ASTM E 2890 : 2012 : R2018 Standard Test Method for Kinetic Parameters for Thermally Unstable Materials by Differential Scanning Calorimetry Using the Kissinger Method
ASTM E 1981 : 1998 : R2012 : EDT 2 Standard Guide for Assessing Thermal Stability of Materials by Methods of Accelerating Rate Calorimetry
ASTM E 2012 : 2006 : R2012 Standard Guide for the Preparation of a Binary Chemical Compatibility Chart
ASTM E 698 : 2018 Standard Test Method for Kinetic Parameters for Thermally Unstable Materials Using Differential Scanning Calorimetry and the Flynn/Wall/Ozawa Method

ASTM E 2070 : 2003 Standard Test Method for Kinetic Parameters by Differential Scanning Calorimetry Using Isothermal Methods
ASTM E 2890 : 2012 : R2018 Standard Test Method for Kinetic Parameters for Thermally Unstable Materials by Differential Scanning Calorimetry Using the Kissinger Method
ASTM E 1269 : 2001 Standard Test Method for Determining Specific Heat Capacity by Differential Scanning Calorimetry
ASTM E 2890 : 2012 : EDT 1 Standard Test Method for Kinetic Parameters for Thermally Unstable Materials by Differential Scanning Calorimetry Using the Kissinger Method
ASTM E 2041 : 2008 : EDT 1 Standard Method for Estimating Kinetic Parameters by Differential Scanning Calorimeter Using the Borchardt and Daniels Method
ASTM E 1269 : 2005 Standard Test Method for Determining Specific Heat Capacity by Differential Scanning Calorimetry
ASTM E 2716 : 2009 Standard Test Method for Determining Specific Heat Capacity by Sinusoidal Modulated Temperature Differential Scanning Calorimetry
ASTM E 2041 : 2013 : EDT 1 Standard Test Method for Estimating Kinetic Parameters by Differential Scanning Calorimeter Using the Borchardt and Daniels Method
ASTM E 1269 : 1999 Standard Test Method for Determining Specific Heat Capacity by Differential Scanning Calorimetry
ASTM E 2070 : 2000 Standard Test Method for Kinetic Parameters by Differential Scanning Calorimetry Using Isothermal Methods
ASTM E 2041 : 2003 Standard Method for Estimating Kinetic Parameters by Differential Scanning Calorimeter Using the Borchardt and Daniels Method
ASTM E 2890 : 2012 Standard Test Method for Kinetic Parameters for Thermally Unstable Materials by Differential Scanning Calorimetry Using the Kissinger Method
ASTM E 1952 : 2017 Standard Test Method for Thermal Conductivity and Thermal Diffusivity by Modulated Temperature Differential Scanning Calorimetry
ASTM E 2716 : 2009 : R2014 Standard Test Method for Determining Specific Heat Capacity by Sinusoidal Modulated Temperature Differential Scanning Calorimetry
ASTM E 2041 : 1999 Standard Method for Estimating Kinetic Parameters by Differential Scanning Calorimeter Using the Borchardt and Daniels Method
ASTM E 2041 : 2013 : R2018 Standard Test Method for Estimating Kinetic Parameters by Differential Scanning Calorimeter Using the Borchardt and Daniels Method
ASTM E 1952 : 2001 Standard Test Method for Thermal Conductivity and Thermal Diffusivity by Modulated Temperature Differential Scanning Calorimetry
ASTM E 2070 : 2008 Standard Test Method for Kinetic Parameters by Differential Scanning Calorimetry Using Isothermal Methods
ASTM E 2070 : 2013 Standard Test Method for Kinetic Parameters by Differential Scanning Calorimetry Using Isothermal Methods
ASTM E 1269 : 2004 Standard Test Method for Determining Specific Heat Capacity by Differential Scanning Calorimetry
ASTM E 2041 : 2001 Standard Method for Estimating Kinetic Parameters by Differential Scanning Calorimeter Using the Borchardt and Daniels Method
ASTM E 1269 : 2011 Standard Test Method for Determining Specific Heat Capacity by Differential Scanning Calorimetry
ASTM E 1952 : 2006 Standard Test Method for Thermal Conductivity and Thermal Diffusivity by Modulated Temperature Differential Scanning Calorimetry
ASTM E 2070 : 2013 : R2018 Standard Test Methods for Kinetic Parameters by Differential Scanning Calorimetry Using Isothermal Methods
ASTM E 1269 : 2011 : R2018 Standard Test Method for Determining Specific Heat Capacity by Differential Scanning Calorimetry
ASTM E 1952 : 1998 Standard Test Method for Thermal Conductivity and Thermal Diffusivity by Modulated Temperature Differential Scanning Calorimetry
ASTM E 1952 : 2011 Standard Test Method for Thermal Conductivity and Thermal Diffusivity by Modulated Temperature Differential Scanning Calorimetry

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