GB/T 2910.16-2024 PDF English
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Textiles - Quantitative chemical analysis - Part 16: Mixtures of polypropylene fibres with certain other fibres (method using xylene)
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Textiles -- Quantitative chemical analysis -- Part 16: Mixtures of polypropylene and certain other fibres (method using xylene)
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GB/T 2910.16-2024: Textiles - Quantitative chemical analysis - Part 16: Mixtures of polypropylene fibres with certain other fibres (method using xylene)
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT2910.16-2024
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.01
CCS W 04
Replacing GB/T 2910.16-2009
Textiles - Quantitative chemical analysis - Part 16.Mixtures
of polypropylene fibres with certain other fibres (method
using xylene)
(ISO 1833-16.2019, MOD)
Issued on. MARCH 15, 2024
Implemented on. OCTOBER 01, 2024
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 3
Introduction... 7
1 Scope... 9
2 Normative references... 9
3 Terms and definitions... 9
4 Principle... 9
5 Reagents... 10
6 Apparatus... 10
7 Test procedures... 10
8 Calculation and presentation of results... 11
9 Precision... 11
Bibliography... 12
Foreword
This document was drafted in accordance with the rules given in GB/T 1.1-2020,
Directives for standardization - Part 1.Rules for the structure and drafting of
standardizing documents.
This document is Part 16 of GB/T 2910 Textiles - Quantitative chemical analysis. The
following parts have been issued for GB/T 2910.
-- Part 1.General principles of testing;
-- Part 2.Ternary fibre mixture;
-- Part 3.Mixtures of acetate and certain other fibres (method using acetone);
-- Part 4.Mixtures of certain protein fibres with certain other fibres (method
using hypochlorite);
-- Part 5.Mixtures of viscose, cupro or modal and cotton fibres (method using
sodium zincate);
-- Part 6.Mixtures of viscose or certain types of cupro or modal or lyocell and
cotton fibres (method using formic acid and zinc chloride);
-- Part 7.Mixtures of polyamide and certain other fibres (method using formic
acid);
-- Part 8.Mixtures of acetate and triacetate fibres (method using acetone);
-- Part 9.Mixtures of acetate with certain other fibres (method using benzyl
alcohol);
-- Part 10.Mixtures of triacetate or polylactide and certain other fibres (method
using dichloromethane);
-- Part 11.Mixtures of certain cellulose fibres with certain other fibres (method
using sulfuric acid);
-- Part 12.Mixtures of acrylic, certain modacrylics, certain chlorofibres, certain
elastane fibres with certain other fibres (method using dimethylformamide);
-- Part 13.Mixtures of certain chlorofibers and certain other fibers (method
using carbon disulfide/acetone);
-- Part 14.Mixtures of acetate and certain chlorofibres (method using acetic
acid);
-- Part 15.Mixtures of jute and certain animal fibres (method by determining
nitrogen content);
-- 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 25.Mixtures of polyester and certain other fibres (method using
trichloroacetic acid and chloroform);
-- Part 26.Mixtures of melamine and cotton or aramide fibers (method using hot
formic acid);
-- Part 101.Mixtures of soybean protein composite fibre and certain other fibers.
This document serves as a replacement of GB/T 2910.16-2009 Textiles - Quantitative
chemical analysis - Part 16.Mixtures of polypropylene and certain other fibres (method
using xylene). In comparison with GB/T 2910.16-2009, apart from structural
adjustments and editorial modifications, the main technical changes are as follows.
-- Change the Scope by including lyocell fiber, polyester composite elastic fiber,
melamine fiber and polyacrylate fiber (see Chapter 1; Chapter 1 of the 2009
edition);
-- Change the boiling point of xylene from “137 ℃ ~ 142 ℃” to “136 ℃ ~
145 ℃” (see Chapter 5; Chapter 4 of the 2009 edition);
-- Change “stoppered conical flask” to “stoppered round-bottom flask” (see
Chapter 6; Chapter 5 of the 2009 edition);
-- Add 6.3 Heating mantle apparatus (see 6.3);
-- Improve the Test procedures, by specifying the preheating temperature, and
supplementing the alternative test apparatus (see Chapter 7; Chapter 6 of the
2009 edition);
-- Add the d value of the newly added fibers (see Chapter 8);
-- Change the confidence limit in Precision from “not more than ±1” to “not
more than ±1%” (see Chapter 9; Chapter 8 of the 2009 edition).
This document modifies and adopts ISO 1833-16.2019 Textiles - Quantitative chemical
analysis - Part 16.Mixtures of polypropylene fibres with certain other fibres (method
using xylene).
The technical differences between this document and ISO 1833-16.2019, and the causes
for these differences are as follows.
-- Use the normative reference GB/T 2910.1 to replace ISO 1833-1 (see
Chapters 5 ~ 8), for standard use.
Please note that some of the contents of this document may involve patents. The issuing
organization of this document is not responsible for identifying patents.
This document was proposed by China National Textile and Apparel Council.
This document shall be under the jurisdiction of National Technical Committee 209 on
Textiles of Standardization Administration of China (SAC/TC 209).
Drafting organizations of this document. Chinatesta Textile Testing & Certification
Services Co., Ltd., Zhongfangbiao Textiles & Apparel Testing (Fujian) Co., Ltd.,
Huzhou Beiheng Textile Co., Ltd., Shaoxing Dafa Cloth Trade Co., Ltd., Zhejiang
Chenhong Textile Technology Co., Ltd., Huzhou Fenghua Fashion Co., Ltd., Changle
Zhaoxiang Knitting & Textile Co., Ltd., China Certification & Accreditation Institute,
Jinjiang Research Institute of Haixi Textile New Materials Industrial Technology, China
Textile Standard (Jiangxi) Testing Co., Ltd., Hangzhou Chenfan Network Technology
Co., Ltd., and Nantong Jinkanghong Textile Co., Ltd.
Main drafters of this document. Xiao Ding, Yu Jingchao, Zhang Penglong, Han Yuru,
Zhang Shuo, Liu Yi, Yang Jiangtao, Shi Qiongqi, He Tianyi, Xi Xiangnn, Wu Yan, Lin
Sheng, Fang Xiaoyun, Huang Zhanfei.
The previous versions of this document and the documents which are replaced by this
document are as follows.
-- First published in 1982 as GB 2910-1982, and first revised in 1997 as GB/T
2910-1997;
-- Second revised in 2009 as GB/T 2910.16-2009;
-- This is the third revision.
1 Scope
This document describes a method for the determination of the polypropylene fiber
content in a two-component mixture consisting of the following fibers after removal of
non-fibrous matter using the xylene method.
2 Normative references
The following documents are referred to in the text in such a way that some or all of
their content constitutes requirements of this document. For dated references, only the
version corresponding to that date is applicable to this document; for undated references,
the latest version (including all amendments) is applicable to this document.
3 Terms and definitions
No terms and definitions need to be defined in this document.
4 Principle
Use boiling xylene to dissolve and remove the polypropylene fiber from a mixture of
known dry mass; collect the residue; wash, dry and weigh it; use the corrected mass to
calculate its percentage of the dry mass of the mixture.
5 Reagents
Use the reagents specified in GB/T 2910.1 and 5.1.
Warning. This reagent is harmful to the human body.
6 Apparatus
Use the apparatus specified in GB/T 2910.1 as well as 6.1, 6.2 and 6.3.
7 Test procedures
Follow the general procedures specified in GB/T 2910.1, and then follow the steps
below.
8 Calculation and presentation of results
The calculation and presentation of the results shall be in accordance with the
provisions of GB/T 2910.1.
9 Precision
For a homogeneous mixture of textile materials, at the 95% confidence level, the
confidence limit of the test results of this method shall not exceed ± 1%.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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