GB/T 29174-2012Thermal analysis test method for constant-temperature stability of materials (English PDF)
物质恒温稳定性的热分析试验方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2012
Implementation date
October 1, 2013
Scope
GB/T 29174-2012 is the English-translated version of 物质恒温稳定性的热分析试验方法.
GB/T 29174-2012 is the Chinese standard "Thermal analysis test method for constant-temperature stability of materials".
Its scope clause reads: This standard specifies the terms and definitions calorimeter test substance with trace amounts of thermostatic stability, principles, instrumentation and calibration, sample, test drive Order, test results are reported, as well as the accuracy of the test reports.
This standard applies to thermal analysis test exothermic reaction thermostatic stability of solid, liquid or slurry and other substances. Its clauses include terms and definitions; apparatus and calibration.
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Document preview — GB/T 29174-2012
National Standard of the People's Republic of China
- ICS
- 13.220.01
- Classification
- C 80
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 5 Apparatus and Calibration
1 Scope
This standard specifies the terms and definitions calorimeter test substance with trace amounts of thermostatic stability, principles, instrumentation and calibration, sample, test drive
Order, test results are reported, as well as the accuracy of the test reports.
This standard applies to thermal analysis test exothermic reaction thermostatic stability of solid, liquid or slurry and other substances.
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
GB/T 13464 Thermal Analysis Test Method for Thermal Stability of substance
3 Terms and Definitions
GB/T 6425 and GB/T 13464 and as defined in the following terms and definitions apply to this document.
3.1 Thermostatic stability
Test substance for some time at a constant temperature enthalpy change of nature does not occur.
3.2 Safety margin safeextent
Substance relatively safe temperature region lower than the initial exothermic temperature Tie a certain value or less, this value represents adequacy, and generally
Values in the range of 50 °C ~ 100 °C.
3.3 Thermostatic exothermic temperature
Tc
Thermostatic stability test substance measured minimum exothermic temperature.
Principle 4
According to the initial heat GB/T 13464 test specimen temperature Tie, Tie with a thermostatic temperature limit test using micro-calorimeter test
Test sample at different temperatures and constant enthalpy phenomenon within a certain time, in order to assess the stability of the substance of the thermostat.
5 Apparatus and Calibration
5.1 Differential Scanning Calorimetry (DSC) or differential thermal analysis (DTA)
Shall comply with GB/T 13464 requirements of.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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