GB/T 2910.3-2009 PDF English
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Textiles -- Quantitative chemical analysis -- Part 3: Mixtures of acetate and certain other fibers (method using acetone)
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GB/T 2910.3-2009: PDF in English (GBT 2910.3-2009) GB/T 2910.3-2009
GB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.01
W 04
GB/T 2910.3-2009 / ISO 1833-3.2006
Replacing GB 18099-2000
Textiles - Quantitative chemical analysis - Part 3.
Mixtures of acetate and certain other fibres (method
using acetone)
(ISO 1833-3.2006, IDT)
ISSUED ON. JUNE 15, 2009
IMPLEMENTED ON. JANUARY 1, 2010
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration Committee.
Table of Contents
Foreword ... 3
1 Scope ... 6
2 Normative references ... 6
3 Principle... 6
4 Reagents ... 6
5 Apparatus ... 7
6 Test procedure ... 7
7 Calculation and expression of results ... 7
8 Precision... 7
- Part 16. Mixtures of polypropylene and certain other fibres (method using
xylene);
- Part 17. Mixtures of chlorofibers (homopolymers of vinyl chloride) and
certain other fibers (method using sulfuric acid);
- Part 18. Mixtures of silk and wool or hair (method using sulfuric acid);
- 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 is the third part 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 identically uses ISO 1833-3.2006 Textiles - Quantitative chemical
analysis - Part 3. Mixtures of acetate and certain other fibres (method using
acetone). Compared with ISO 1833-3.2006, this Part made the following
editorial modifications.
- used Chinese standards to replace the International standards in
normative references;
- deleted the foreword of ISO 1833-3.2006.
Textiles - Quantitative chemical analysis - Part 3.
Mixtures of acetate and certain other fibres (method
using acetone)
1 Scope
This part of GB/T 2910 specifies a method, using acetone, to determine the
percentage of acetate, after removal of non-fibrous matter, in textiles made of
binary mixtures of acetate and wool, animal hair, silk, regenerated protein,
cotton (scoured, kiered, or bleached), flax, hemp, jute, abaca, alfa, coir, broom,
ramie, cupro, viscose, modal, polyamide, polyester, acrylic and glass fibres.
It is not applicable to mixtures containing modacrylic fibres, nor to mixtures
containing acetate fibres that have been deacetylated on the surface.
2 Normative references
The following standards contain the provisions which, through reference in this
part of GB/T 2910, constitute the provisions of this Part. For dated references,
subsequent amendments (excluding corrections) or revisions do not apply to
this Part. However, the parties who enter into agreement based on this Part are
encouraged to investigate whether the latest versions of these documents are
applicable. For undated reference documents, the latest versions apply to this
Part.
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 Principle
The acetate is dissolved out from a known dry mass of the mixture, with acetone.
The residue is collected, washed, dried and weighed, its mass, corrected if
necessary, is expressed as a percentage of the dry mass of the mixture. The
percentage of acetate is found by difference.
4 Reagents
Use the reagents described in GB/T 2910.1 together with that described in 4.1.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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