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ASTM E 1231 : 2015 : REDLINE

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Practice for Calculation of Hazard Potential Figures of Merit for Thermally Unstable Materials

Available format(s)

PDF

Superseded date

18-04-2020

Language(s)

English

Published date

01-11-2015

£57.59
Excluding VAT

CONTAINED IN VOL. 14.02, 2016 Defines the calculation of hazard potential figures-of-merit for exothermic reactions.

Committee
E 27
DocumentType
Redline
Pages
13
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

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.

ASTM E 1981 : 1998 : R2004 Standard Guide for Assessing the Thermal Stability of Materials by Methods of Accelerating Rate 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 1952 : 2017 : REDLINE Standard Test Method for Thermal Conductivity and Thermal Diffusivity by Modulated Temperature Differential Scanning Calorimetry
ASTM E 1981 : 1998 : R2012 : EDT 2 Standard Guide for Assessing Thermal Stability of Materials by Methods of Accelerating Rate Calorimetry
ASTM E 2160 : 2004 Standard Test Method for Heat of Reaction of Thermally Reactive Materials by Differential Scanning Calorimetry
ASTM E 1445 : 2008 Standard Terminology Relating to Hazard Potential of Chemicals
MIL-STD-3029 Base Document:2009 HOT GUN COOK-OFF HAZARDS ASSESSMENT, TEST AND ANALYSIS
ASTM E 1445 : 2008 : R2015 Standard Terminology Relating to Hazard Potential of Chemicals
ASTM E 2012 : 2006 Standard Guide for the Preparation of a Binary Chemical Compatibility Chart
ASTM E 1981 : 1998 Standard Guide for Assessing the Thermal Stability of Materials by Methods of Accelerating Rate Calorimetry
ASTM E 2890 : 2012 Standard Test Method for Kinetic Parameters for Thermally Unstable Materials by Differential Scanning Calorimetry Using the Kissinger Method
ASTM E 1981 : 1998 : R2012 : EDT 1 Standard Guide for Assessing Thermal Stability of Materials by Methods of Accelerating Rate Calorimetry
ASTM E 2160 : 2004 : R2012 Standard Test Method for Heat of Reaction of Thermally Reactive Materials by Differential Scanning Calorimetry
ASTM E 2012 : 2006 : R2012 Standard Guide for the Preparation of a Binary Chemical Compatibility Chart

ASTM C 518 : 2017 : REDLINE Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus
ASTM E 2041 : 2013 : EDT 1 Standard Test Method for Estimating Kinetic Parameters by Differential Scanning Calorimeter Using the Borchardt and Daniels Method
NFPA 704 : 2017 STANDARD SYSTEM FOR THE IDENTIFICATION OF THE HAZARDS OF MATERIALS FOR EMERGENCY RESPONSE
ASTM E 1952 : 2017 : REDLINE Standard Test Method for Thermal Conductivity and Thermal Diffusivity by Modulated Temperature Differential Scanning Calorimetry
ASTM E 473 : 2016-05 TERMINOLOGY RELATING TO THERMAL ANALYSIS AND RHEOLOGY
ASTM E 537 : 2012 : REDLINE Standard Test Method for The Thermal Stability of Chemicals by Differential Scanning Calorimetry

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