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GB/T 2910.23-2009 English PDF (GBT2910.23-2009)

GB/T 2910.23-2009 English PDF (GBT2910.23-2009)

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GB/T 2910.23-2009: Textiles -- Quantitative chemical analysis -- Part 23: Mixtures of polyethylene and polypropylene (method using cyclohexanone)

This Part of GB/T 2910 specifies method using cyclohexanone to determine, after removing the non-fibrous substances, the content of polyethylene fiber.
GB/T 2910.23-2009
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 59.080.01
W 04
Textiles ?€? Quantitative Chemical Analysis ?€? Part 23.
Mixtures of Polyethylene and Polypropylene (Method
Using Cyclohexanone)
ISSUED ON. JUNE 15, 2009
IMPLEMENTED ON. JANUARY 1, 2010
Issued by. General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative References ... 5
3 Principles ... 5
4 Reagents ... 5
5 Apparatus ... 6
6 Test Procedures ... 6
7 Result Calculation and Expression ... 6
8 Precision ... 6
--- Part 19. Mixtures of Cellulose Fibres and Asbestos (Method by Heating); --- Part 20. Mixtures of Elastane and Some Other Fibers (Method Of Using Dimethylacetamide);
--- Part 21. Mixtures of Chlorofibers, Certain Modacrylics, Certain Elastanes, Acetates, Triacetates and Certain Other Fibers (Method Using Cyclohexanone);
--- Part 22. Mixtures of Viscose or Certain Types of Cupro or Modal or Lyocell and Flax of Ramie Fibres (Method Using Formic Acid and Zinc Chloride);
--- Part 23. Mixtures of Polyethylene and Polypropylene (Method Using
Cyclohexanone);
--- Part 24. Mixtures of Polyester and Some Other Fibers (Method Using Phenol and Tetrachloroethane);
--- Part 101. Mixtures of Soybean Protein Composite Fibre and Certain Other Fibers. This Part belongs to Part 23 of GB/T 2910.
GB/T 2910-1997 is replaced by the following standards. GB/T 2910.1, GB/T 2910.3, GB/T 2910.4, GB/T 2910.6, GB/T 2910.7, GB/T 2910.8, GB/T 2910.9, GB/T 2910.10, GB/T 2910.11, GB/T 2910.12, GB/T 2910.13, GB/T 2910.14, GB/T 2910.15, GB/T 2910.16, GB/T 2910.17, GB/T 2910.18, GB/T 2910.19 and GB/T 2910.22.
This Part refers to ISO/CD1833-23.2006 Textiles ?€? Quantitative Chemical Analysis ?€? Part 23. Mixtures of Polyethylene and Polypropylene (Method Using Cyclohexanone). This Part was proposed by China National Textile and Apparel Council.
This Part shall be under the jurisdiction of Basic Branch of National
Technical Committee for Standardization of Textile (SAC/TC 209/SC 1).
Drafting organizations of this Part. State Textile Products Quality Supervision and Inspection Center, Institute of Textile Industry Standardization.
Chief drafting staffs of this Part. Zhu Ying.
Textiles ?€? Quantitative Chemical Analysis ?€? Part 23.
Mixtures of Polyethylene and Polypropylene (Method
Using Cyclohexanone)
1 Scope
This Part of GB/T 2910 specifies method using cyclohexanone to determine, after removing the non-fibrous substances, the content of polyethylene fiber. This Part is only applicable to the mixtures of polyethylene and polypropylene blend fiber.
2 Normative References
The provisions in following documents become the provisions of this Part through reference in this Part of GB/T 2910. For dated references, the subsequent amendments (excluding corrigendum) or revisions do not apply to this Part, however, parties who reach an agreement based on this Part are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies.
GB/T 2910.1 Textiles - Quantitative Chemical Analysis - Part 1. General Principles of Testing (GB/T 2910.1-2009, ISO 1833-1.2006, IDT)
3 Principles
Use cyclohexanone to dissolve and remove the polypropylene fiber from the mixture with the known dry mass. Collect the residues, clean, dry and weigh; use the modified mass to calculate its mass percentage in the dry mass of mixture. The mass fraction of polypropylene fiber can be obtained from the difference above.
4 Reagents
Use the reagents specified in GB/T 2910.1 and this Part.
4.1 Cyclohexanone. boiling point of 156??C.

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