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GB/T 17802-2011: Thermal analysis test methods for Arrhenius kinetics constants of thermally unstable materials
Status: Valid GB/T 17802: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 17802-2011 | English | 329 |
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Thermal analysis test methods for Arrhenius kinetics constants of thermally unstable materials
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GB/T 17802-2011
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| GB/T 17802-1999 | English | 479 |
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Thermal analysis test methods for kinetic constants of combustible materials
| Obsolete |
GB/T 17802-1999
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PDF similar to GB/T 17802-2011
Basic data | Standard ID | GB/T 17802-2011 (GB/T17802-2011) | | Description (Translated English) | Thermal analysis test methods for Arrhenius kinetics constants of thermally unstable materials | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | C80 | | Classification of International Standard | 13.220.01 | | Word Count Estimation | 14,191 | | Date of Issue | 2011-07-20 | | Date of Implementation | 2011-11-01 | | Older Standard (superseded by this standard) | GB/T 17802-1999 | | Quoted Standard | GB/T 6425; GB/T 13464-2008 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 10 of 2011 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the use of differential thermal analysis (DTA) and differential scanning calorimetry (DSC) measurement of thermal instability substance Arrhenius equation exothermic reaction kinetic constants of thermal analysis testing terminology and definitions, principle, instruments and materials, samples, test procedures, data processing, error and test reports. This standard applies to use the Arrhenius equation and the general rate laws to describe the response. This standard does not apply to deviate from the straight line curve, part of the reaction is suppressed, synchronous or continuous reaction, the reaction rate undergoes a phase transition and the transition temperature is very significant and can not be controlled by chemical reaction. | GB/T 17802-2011: Thermal analysis test methods for Arrhenius kinetics constants of thermally unstable materials
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Thermal analysis test methods for Arrhenius kinetics constants of thermally unstable materials
ICS 13.220.01
C80
National Standards of People's Republic of China
Replacing GB/T 17802-1999
Thermally unstable substances kinetic constants
Thermal analysis test methods
Issued on. 2011-07-20
2011-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard is prepared in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 17802-1999 "Thermal analysis test methods for kinetic constants of combustible material."
This standard compared with GB/T 17802-1999, the main technical changes are as follows.
--- Changing the name of the standard;
--- Remove the ASTM foreword (see edition of the 1999 ASTM foreword);
--- Modify the scope of the standard (see Excerpts Chapter 1, Chapter 1 of the 1999 edition);
--- Increased terms and definitions (see 3.6);
--- Modify the instrument parameters required rate of temperature-programmed by "0.5 ℃/min ~ 30 ℃/min" to "1 ℃/min ~ 10 ℃ /
min "(see this edition 5.1,1999 version 6.2);
--- Increasing the number of tests prescribed (see 7.6).
The Standard Test Method for DSC and data processing reference uses the US ASTME698.2001 "thermally unstable substances A Lunni
Standard Test Method for Constant "(2001 English) ust kinetics.
The standard proposed by the People's Republic of China Ministry of Public Security.
This standard by the National Standardization Technical Committee based on the standard fire Technical Committee (SAC/TC113/SC1) centralized.
This standard was drafted. Tianjin Fire Research Institute of Ministry of Public Security.
The main drafters of this standard. Chen Yingchun, Deng Zhenyu, Zhuo Ping, Liang Yadong.
This standard superseded standard previously issued as follows.
--- GB/T 17802-1999.
Thermally unstable substances kinetic constants
Thermal analysis test methods
1 Scope
This standard specifies the use of differential thermal analysis (DTA) and differential scanning calorimetry (DSC) measurement of thermally unstable substances exothermic reaction
Terms and definitions Thermal analysis test Arrhenius equation kinetic constants, principles, instruments and materials, samples, test procedures, data processing,
Error and test reports.
This standard applies to the Arrhenius equation and the reaction can be generally described by the rate law.
This standard does not apply to curve deviates from a straight line, part of the reaction is suppressed, synchronized or continuous reaction, undergo a phase transition and the reaction rate of change
The temperature of the chemical reaction is very significant and can not control.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 6425 Thermal Analysis term
Thermal analysis test methods GB/T 13464-2008 Material Thermal Stability
3 Terms and Definitions
GB/T 6425 and GB/T 13464-2008 define the following terms and definitions apply to this document.
3.1
The activation energy (E) activationenergy
The steady-state 1mol 1mol activated molecules become excited molecule energy required.
3.2
Pre-exponential factor (Z) pre-exponentialfactor
Factor Arrhenius equation index ago.
3.3
Half-life (t1/2) half-lifetime
Material energy half decay time required.
3.4
Aging theaged
Temperature-induced material energy attenuation.
3.5
Aging time theagedtime
Experience during the test sample is calculated at each specific temperature half-life.
3.6
Arrhenius equation Arrheniusequation
The mathematical relationship between the reaction rate constant and temperature, expressed as. k = Ze-E/RT. Wherein, k is the reaction rate constant, Z means before
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