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FZT01026-2017

Chinese Standard: 'FZT01026-2017'
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FZ/T 01026-2017
FZ
TEXTILE INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.01
W 04
Replacing FZ/T 01026-2009
Textiles - Quantitative chemical analysis -
Multinary fiber mixtures
纺织品 定量化学分析
多组分纤维混合物
ISSUED ON. APRIL 21, 2017
IMPLEMENTED ON. OCTOBER 01, 2017
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Principle ... 4 
4 Reagents and equipment ... 4 
5 Humidity conditioning and test atmosphere ... 5 
6 Sampling and pretreatment ... 5 
7 Analytical procedures and results calculation... 5 
8 Test report ... 8 
Appendix A (Informative) Example of quantitative chemical analysis of
quaternary blended fabric ... 9 
Appendix B (Informative) Example of quantitative chemical analysis of five-
component blended fabric ... 17 
Appendix C (Informative) Example of quantitative chemical analysis of six-
component blended fabric ... 21 
Textiles - Quantitative chemical analysis -
Multinary fiber mixtures
1 Scope
This standard specifies the quantitative chemical analysis method for textiles of
multinary fiber mixtures.
This standard applies to textiles of quaternary and above fiber mixtures.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 2910 (All parts) Textiles - Quantitative chemical analysis
GB/T 8170 Rules of rounding off for numerical values & expression and
judgement of limiting values
GB 9994 Conventional moisture regains of textiles
3 Principle
For the qualitatively identified multinary fiber mixture textiles, use appropriate
pretreatment methods to remove non-fibrous materials, determine the
appropriate dissolution scheme, select the specified chemical reagents,
dissolve one or several component fibers in the mixture, calculate the mass
percentage of each component fiber from the mass loss after dissolution or the
mass of the residual fiber.
4 Reagents and equipment
Use the equipment and reagents as specified in the relevant parts of GB/T 2910.
P2 - The net dry mass percentage of the 2nd component, %;
P3 - The net dry mass percentage of the 3rd component, %;
P4 - The net dry mass percentage of the 4th component (insoluble
component), %;
r1 - The dry weight of the residue after the first component is dissolved and
removed by the 1st reagent, in grams (g);
r2 - The dry weight of the residue after the first and second components are
dissolved and removed by the 1st and 2nd reagent, in grams (g);
r3 - The dry weight of the residue after the first, second and third components
are dissolved and removed by the 1st, 2nd and 3rd reagent, in grams (g);
d2,1 - The mass loss correction factor of the second component in the first
reagent;
d3,1 - The mass loss correction factor of the third component in the first
reagent;
d3,2 - The mass loss correction factor of the third component in the second
reagent;
d4,1 - The mass loss correction factor of the fourth component in the first
reagent;
d4,2 - The mass loss correction factor of the fourth component in the second
reagent;
d4,3 - The mass loss correction factor of the fourth component in the third
reagent;
m - The net dry mass of the specimen (after pretreatment), in grams (g).
A.1.2 Application examples
A.1.2.1 Overview
After qualitative analysis, the fabric is known to be composed of four kinds of
fibers. wool, nylon, viscose and cotton. The continuous dissolution scheme is
used to continuously remove the three components, and the results are as
follows.
1) The dry weight of the specimen after pretreatment, m = 1.1854 g;
2) The dry weight of the specimen (nylon + viscose + cotton) after the first
treatment by 1 mol/L alkaline sodium hypochlorite in accordance with the
P3A (viscose) = 29.89%, P4A (cotton) = 35.00%.
The composition of the blended fabric is as follows.
Wool 4.4%, nylon 30.7%;
Viscose 29.9%, cotton 35.0%.
A.2 Scheme 2 (other dissolution schemes)
A.2.1 Overview
After qualitative analysis, the fabric is known to be composed of four kinds of
fibers. wool, mulberry silk, acrylic fiber and cotton. Two samples are taken, the
dissolution scheme......
Related standard:   FZ/T 01028-2016  FZ/T 01030-2016
   
 
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