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GB/T 33047.1-2016: Plastics -- Thermogravimetry (TG) of polymers -- Part 1: General principles
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 33047.1-2016 | English | 279 |
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Plastics -- Thermogravimetry (TG) of polymers -- Part 1: General principles
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GB/T 33047.1-2016
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Basic data | Standard ID | GB/T 33047.1-2016 (GB/T33047.1-2016) | | Description (Translated English) | Plastics -- Thermogravimetry (TG) of polymers -- Part 1: General principles | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G31 | | Classification of International Standard | 83.080.01 | | Word Count Estimation | 14,171 | | Date of Issue | 2016-10-13 | | Date of Implementation | 2017-05-01 | | Regulation (derived from) | National Standard Notice No.1716 of 2016 | | 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 | GB/T 33047.1-2016: Plastics -- Thermogravimetry (TG) of polymers -- Part 1: General principles---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.
Plastics - Thermogravimetry (TG) of polymers - Part 1. General principles
ICS 83.080.01
G31
National Standards of People's Republic of China
Plastic Polymer Thermogravimetry (TG)
Part 1. General
Plastics-Thermogravimetry (TG) ofpolymers-
Part 1. Generalprinciples
(ISO 11358-1..2014, MOD)
2016-10-13 released
2017-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
GB/T 33047 "Plastic Polymer Thermogravimetry (TG)" consists of the following three parts.
- Part 1. General;
Part 2. Determination of activation energy;
Part 3. Ozawa-Friedman method for the determination of activation energy and reaction kinetics.
This part is part 1 of GB/T 33047.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part uses the re-drafting method to modify ISO 11358-1..2014 "Plastic Polymer Thermogravimetry (TG) Part 1.
General rule ".
In the standard structure, this part compared with ISO 11358-1..2014, an increase of Chapter 10 precision, the original international standard Chapter 10 extension
For Chapter 11.
The main technical differences between this section and ISO 11358-1..2014 are as follows.
--- on the normative reference documents, this part has made a technical differences in the adjustment to meet China's technical conditions, adjust the situation
The situation is reflected in Chapter 2, "Normative references", as follows.
• Replace ISO 472 with GB/T 2035-2008 equivalent to international standards;
• Replace ISO 291 with GB/T 2918-1998 with equivalent international standards;
● Added reference to GB/T 6379.2-2004;
Replace ISO 11357-1 with GB/T 19466.1-2004 with equivalent international standard.
- Increased precision data in our country (see Chapter 10).
This section is proposed by the China Petroleum and Chemical Industry Association.
This part is headed by the National Plastics Standardization Technical Committee (SAC/TC15).
This part of the drafting unit. China Petroleum and Chemical Corporation Beijing Yanshan Branch Resin Application Research Institute, China Petrochemical Qilu Branch
Research Institute, China Petroleum and Petrochemical Research Institute, in the blue dawn of Chengdu Detection Technology Co., Ltd.
This part of the main drafters. Wu Yanjin, Hou Bin, Zhang Lijun, Chen Hong willing, Xie Peng, Zhang Xueqin, Li Zhenhuan, Shao Wei.
Plastic Polymer Thermogravimetry (TG)
Part 1. General
1 Scope
This part of GB/T 33047 specifies a general method for the analysis of polymers using thermogravimetric techniques that can be used to measure the
Decomposition temperature and decomposition rate, while measuring the amount of volatile matter, additives and/or fillers contained therein.
This part applies to the analysis of liquid or solid samples, solid samples can be small balls, particles or powder. This part also applies to the appropriate
Size of the processed products.
The thermogravimetric method can be divided into dynamic mode (quality control with temperature or time under program control conditions) or isothermal mode (constant temperature,
Quality changes over time).
The thermogravimation process can also be carried out in different atmospheres, for example, in an inert atmosphere, from the effects of oxidative degradation reactions.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 2035-2008 Plastics terminology and definitions (ISO 472..1999, IDT)
GB/T 2918-1998 Standard environment for the regulation and testing of plastic specimens (idtIS 291..1997)
Accuracy (accuracy and precision) of measurement methods and results - Part 2. Determination of standard measuring methods GB/T 6379.2-2004
Method of Reproducibility and Reproducibility (ISO 5725-2..1994, IDT)
Plastics - Differential scanning calorimetry (DSC) - Part 1. General principles (ISO 11357-1..1997, IDT) GB/T 19466.1-2004.
3 terms and definitions
GB/T 2035-2008 Definitions and the following terms and definitions apply to this document.
3.1
Dynamic quality change measurement dynamicmass-changedetermination
At the rate of program control, the quality of the sample changes with temperature T is recorded.
3.2
Isothermal mass change measurement isothermalmass-changedetermination
At a constant temperature T, the technique of recording the mass of the sample over time t is recorded.
3.3
Curie temperature Curietemperature
The temperature of the magnetic substance from the ferromagnetic state to the paramagnetic state, and vice versa.
4 principle
Heating the sample at a programmed rate at a programmed temperature, measuring the change in mass with temperature, or maintaining the sample at a constant temperature
Degree, the quality of measurement changes over time.
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