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GB/T 45042-2024: Textiles - Quantitative chemical analysis - Mixtures of polyacrylonitrile preoxidized fiber and certain other fibers
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Textiles - Quantitative chemical analysis - Mixtures of polyacrylonitrile preoxidized fiber and certain other fibers
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Standard similar to GB/T 45042-2024 GB/T 45362 | GB/T 45365 | GB/T 45043 | Basic data | Standard ID | GB/T 45042-2024 (GB/T45042-2024) | | Description (Translated English) | Textiles - Quantitative chemical analysis - Mixtures of polyacrylonitrile preoxidized fiber and certain other fibers | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | W04 | | Classification of International Standard | 59.080.01 | | Word Count Estimation | 10,179 | | Date of Issue | 2024-12-31 | | Date of Implementation | 2025-07-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45042-2024: Textiles - Quantitative chemical analysis - Mixtures of polyacrylonitrile preoxidized fiber and certain other fibers
---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.
Textiles - Quantitative chemical analysis - Mixtures of polyacrylonitrile preoxidized fiber and certain other fibers
Quantitative Chemical Analysis of Textiles
Polyacrylonitrile pre-oxidized fibers and some other fibers
mixture
Textiles-Quantitative chemical analysis-Mixtures of polyacrylonitrile preoxid﹘
ized fibers and certain other fibers
ICS 59.080.01
CCS W 04
National Standard of the People's Republic of China
Released on 2024-12-31
2025-07-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting is required.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China National Textile and Apparel Council.
This document is under the jurisdiction of the National Technical Committee on Standardization of Textiles (SAC/TC 209).
This document was drafted by. Fujian Fiber Inspection Center, Linquan Langshake Industry and Trade Co., Ltd., Ordos Inspection and Testing Center,
Zhejiang Jili New Materials Co., Ltd., Xiamen Xiafang Textile Co., Ltd., Zhejiang Jinshi Textile Technology Co., Ltd., China Textile Standard Inspection and Certification
Co., Ltd., Fuzhou Litian Textile Co., Ltd., China Textile Standard (Fujian) Testing Co., Ltd., Xiamen Zhongchuang Environmental Protection Technology Co., Ltd.
Jiangsu New Vision Advanced Functional Fiber Innovation Center Co., Ltd., Jiangsu Haike Fiber Co., Ltd., Dongguan Weiside Technology Development Co., Ltd.
company.
The main drafters of this document are. Li Ling, Zheng Shaoming, Sui Jiaojiao, Zhang Qingshan, Shou Fengping, Guo Haixia, Yang Shiyu, Zhao Run, Wang Xiyou,
Zhang Xiaquan, Yu Dongming, Lin Bihua, Zheng Zhihong, Li Jun, Zhang Wenfu.
Quantitative Chemical Analysis of Textiles
Polyacrylonitrile pre-oxidized fibers and some other fibers
mixture
1 Scope
This document describes the chemical analysis method for the determination of the composition of polyacrylonitrile preoxidized fibers and certain other fibers after removal of non-fibrous matter.
Method for fiber content in mixture.
This document is applicable to polyacrylonitrile pre-oxidized fibers and animal fibers (sheep wool, mulberry silk), cellulose fibers (cotton, linen, lyocell)
, Modal, Viscose), Acetate, Triacetate, Polyester, Polyamide, Polyacrylonitrile, Polyethylene
Fiber, polypropylene fiber, polylactic acid fiber, polyamide fiber, polyurethane elastic fiber, polyvinyl formal fiber, polyarylate fiber,
Meta-aromatic polyamide fiber, para-aromatic polyamide fiber, polyarylene? diazole fiber, polytetrafluoroethylene fiber, polyimide fiber,
A two-component mixture of aramid fiber, carbon fiber and polyphenylene sulfide fiber.
Note. The identification test method of polyacrylonitrile pre-oxidized fiber is shown in Appendix A.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies.
in this document.
GB/T 2910.1 Quantitative chemical analysis of textiles Part 1.General principles of testing
GB/T 2910.4 Quantitative chemical analysis of textiles Part 4.Mixtures of certain protein fibers and certain other fibers (secondary
Chlorate method)
GB/T 2910.10 Quantitative chemical analysis of textiles - Part 10.Determination of the chemical properties of triacetate or polylactic acid fibers and certain other fibers
Mixture (dichloromethane method)
GB/T 2910.14 Quantitative chemical analysis of textiles Part 14.Mixtures of acetate and certain chlorinated fibres (ice
Acetic acid method)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Polyacrylonitrile preoxidized fiber
The polyacrylonitrile raw yarn is oxidized by air at a certain temperature to form a heat-resistant ladder-shaped black fiber.
Note. It is an intermediate for preparing polyacrylonitrile-based carbon fibers.
4.A mixture of polyacrylonitrile pre-oxidized fiber and animal fiber (sodium hypochlorite method)
The principles, reagents, equipment, test procedures, calculation and expression of results involved shall be in accordance with GB/T 2910.4.
The correction factor (d value) for the mass change of oxidized fibers is 1.02.
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