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GB/T 29174-2012 English PDF

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GB/T 29174-2012: Thermal analysis test method for constant-temperature stability of materials
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PDF similar to GB/T 29174-2012


Standard similar to GB/T 29174-2012

GB/T 40237   GB/T 16840.2   GB/T 38301   GB/T 41382   GB/T 16840.3   

Basic data

Standard ID GB/T 29174-2012 (GB/T29174-2012)
Description (Translated English) Thermal analysis test method for constant-temperature stability of materials
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard C80
Classification of International Standard 13.220.01
Word Count Estimation 8,850
Quoted Standard GB/T 6425; GB/T 13464
Adopted Standard GB/T1.1-2009
Regulation (derived from) National Standards Bulletin 2012 No. 41; National Standards Commission recently released 16 national standards for fire protection
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 micro calorimeter temperature stability of the test substance, the terms and definitions, principles, instrumentation and calibration, sample, test procedures, test results are recorded, accuracy and test reports. This stan

GB/T 29174-2012: Thermal analysis test method for constant-temperature stability of materials

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Thermal analysis test method for constant-temperature stability of materials ICS 13.220.01 C80 National Standards of People's Republic of China Thermal analysis test methods for material thermostatic stability Issued on. 2012-12-31 2013-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard reference to American Society for Testing Materials Standard ASTME487 "Standard Test Methods for Chemical thermostatic stability" (2009 In English). 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 is drafted by. Ministry of Public Security in Tianjin Fire Research Institute. The main drafters of this standard. Chen Yingchun, Liu Xuan Asia, Zhuo Ping, Guo Song, Deng Zhenyu, Zhang Chang. This standard was first published.

Introduction

This standard by the test substance at a constant temperature of the small amount of heat under controlled laboratory conditions, the substance of the thermal stability evaluation mention Science, harmonized test methods for, and provide baseline data for the substance fire risk assessment. This standard and GB/T 13464 test results can be spontaneous combustion fire risk assessment for the substances to provide evidence. Thermal analysis test methods for material thermostatic stability

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 constant-temperaturestability 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 \u200b\u200bin the range of 50 ℃ ~ 100 ℃. 3.3 Thermostatic exothermic temperature initialexothermtemperatureinconstanttemperature 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.

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