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FZ/T 20018-2010

Chinese Standard: 'FZ/T 20018-2010'
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Detail Information of FZ/T 20018-2010; FZ/T20018-2010
Description (Translated English): Determination of dichloromethane-soluble matter in wool textiles
Sector / Industry: Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard: W20
Classification of International Standard: 59.080.01
Word Count Estimation: 5,583
Date of Issue: 2010-08-16
Date of Implementation: 2010-12-01
Older Standard (superseded by this standard): FZ/T 20018-2000
Quoted Standard: GB/T 8170
Adopted Standard: ISO 3074-1975, MOD
Drafting Organization: Institute of Textile Science and Technology, Shanghai Maoma
Administrative Organization: National Standardization Technical Committee Wool textile Technical Committee
Regulation (derived from): Engineering (2010) No. 115
Proposing organization: China Textile Industry Association
Issuing agency(ies): Ministry of Industry and Information Technology of the People's Republic of China
Summary: This standard specifies the use of methylene chloride as an extraction solvent, wool textiles determination of soluble substances in the reagent concentration method. This standard applies to wool, wool acrylic or wool blended combed Kam, semi-finished products, finished in dichloromethane soluble matter content. Other plush products for implementation.

FZ/T 20018-2010
FZ
TEXTILE INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.01
W 20
Replacing FZ/T 20018-2000
Determination of dichloromethane-soluble
matter in wool textiles
毛纺织品中二氯甲烷可溶性物质的测定
(ISO 3074.1975, Wool-Determination of dichloromethane-soluble
matter in combed silver, MOD)
ISSUED ON. AUGUST 16, 2010
IMPLEMENTED ON. DECEMBER 01, 2010
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Table of Contents
Foreword ... 3 
1. Scope ... 5 
2. Normative references ... 5 
3. Theory ... 5 
4. Reagent ... 5 
5. Instrument ... 6 
6. Sample preparation ... 6 
7. Experimental procedures ... 6 
8. Calculating ... 7 
9. Test report ... 7 
Foreword
This Standard is drafted according to the rules provided in GB/T 1.1-2009.
This Standard replaces FZ/T 20018-2000 Determination of dichloromethane-soluble
matter in wool textiles. Than main differences from FZ/T 20018-2000 are as follows.
─ Modified the English name of the standard;
─ Wool and brocade blending product is added in the scope of Chapter 1;
─ Illustration of reagent is added in Chapter 4 Reagent;
─ Chapter 7 is modified; the experimental procedures are described by steps;
─ 7.6 is modified; weighing balance weight is deleted;
─ Chapter 8 is modified; processing of experimental results is difference;
─ Chapter 9 is modified; name and specification of samples and Date of experiment
are added.
This Standard is modified by adopting ISO 3074.1975 Determination of dichloromethane-
soluble matter in combing wool silver. The main differences from ISO 3074.1975 are as
follows.
─ ISO foreword is deleted;
─ Introduction of ISO is deleted, and it is revised into the scope of standard;
─ Normative reference document is added;
─ Sample mass is modified (see in 6.2);
─ 10.1 extraction formula containing water in ISO is deleted;
─ Name and specification of samples and Date of experiment are added in experimental
report.
This Standard was proposed by China National Textile And Apparel Council.
This Standard shall be under the jurisdiction of Wool-Textile Subcommittee of National
Textile Technical Committee of Standardization Administration of China (SAC/TC 209/SC
3).
Drafting organization of this Standard. Shanghai Wool-Linen Textile Institute of Science
and Technology.
Determination of dichloromethane-soluble
matter in wool textiles
1. Scope
This Standard specifies the method to determine the dichloromethane-soluble matter
content in wool textiles by adopting dichloromethane as extraction reagent.
This Standard applies to the determination of the dichloromethane-soluble matter contents
in pure wools, wool/acrylic or wool/brocade blended combing silver, semi-finished products,
and finished products. For other plush products, it shall also implement this Standard.
2. Normative references
The following document is indispensable for application of this document. For the dated
documents so quoted, only the dated versions apply to this document. For the undated
documents so quoted, the latest versions (including all modification sheets) apply to this
document.
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of
limiting values
3. Theory
Extract the samples in a soxhlet extractor with dichloromethane; evaporate the reagent;
weigh the mass of the remaining matter to calculate the content of dichloromethane soluble
matter, which is the percent of the remaining matter mass in the ex......
Related standard:   FZ/T 20008-2015  FZ/T 20009-2015
   
 
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