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SN/T 2467-2010: Mixtures of regenerated cellulose fibres and flax fibres. Quantitative chemical analysis. Method using hydrochloric acid
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Mixtures of regenerated cellulose fibres and flax fibres. Quantitative chemical analysis. Method using hydrochloric acid
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SN/T 2467-2010
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Basic data | Standard ID | SN/T 2467-2010 (SN/T2467-2010) | | Description (Translated English) | Mixtures of regenerated cellulose fibres and flax fibres. Quantitative chemical analysis. Method using hydrochloric acid | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | W04 | | Classification of International Standard | 59.080.99 | | Word Count Estimation | 6,654 | | Date of Issue | 2010-01-10 | | Date of Implementation | 2010-07-16 | | Quoted Standard | GB/T 2910; GB/T 6682; FZ/T 01057.1; FZ/T 01057.2; FZ/T 01057.3; FZ/T 01057.4; FZ/T 01057.5; FZ/T 01057.6; FZ/T 01057.7; FZ/T 01057.8; FZ/T 01057.9; FZ/T 01057.10; FZ/T 01057.11; JJG 42; ISO 1833-1 | | Regulation (derived from) | National Quality Inspection [2010] No. 13 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the regenerated cellulose fibers (eg: viscose, cupro, modal, lyocell fiber, bamboo fiber, etc.) and hemp fibers textiles quantitative analysis method. This standard applies to regenerated cellulose fibers (eg: viscose, cupro, modal, lyocell fiber, bamboo fiber, etc.) and the quantitative analysis of textile hemp fibers. This standard does not apply to the following two cases | SN/T 2467-2010: Mixtures of regenerated cellulose fibres and flax fibres. Quantitative chemical analysis. Method using hydrochloric acid
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Mixtures of regenerated cellulose fibres and flax fibres.Quantitative chemical analysis.Method using hydrochloric acid
Exit inspection and quarantine industry standard book People's Republic of China
Regenerated cellulose fiber and hemp fiber mixtures
Quantitative analysis method Hydrochloric acid
Issued on. 2010-01-10
2010-07-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
Appendix A of this standard is an informative annex.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Guangdong Entry Inspection and Quarantine Bureau, People's Republic of China Entry-Exit Inspection and Shantou
Quarantine Bureau.
The main drafters of this standard. Leaf Lake, Xu Min, Zhang Xiaoli, Zhengyue Jun, Li Guangyi, Lan Lili Liang irrigation, Zhou Weiqi.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Regenerated cellulose fiber and hemp fiber mixtures
Quantitative analysis method Hydrochloric acid
Warning. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security issues,
Users are responsible for the use of appropriate safety and health practices and to ensure compliance with the conditions of the relevant national laws. This standard relates
And hydrochloric acid reagent is a highly corrosive chemicals, the following is the most important safety regulations.
Preparation of hydrochloric acid solution shall have security measures carried out under conditions.
1 Scope
This standard specifies the regenerated cellulose fiber (eg. Viscose, cupro, modal, lyocell fiber, bamboo fiber, etc.) and hemp fibers blended spinning
Fabric quantitative analysis.
This standard applies to regenerated cellulose fibers (such as. viscose, cupro, modal, lyocell fiber, bamboo fiber, etc.) and hemp fibers blended spinning
Quantitative analysis of the fabric.
This standard does not apply to the following two conditions. a) the hemp fiber blended products has been serious chemical degradation; b) regenerated cellulose fiber
Peacekeeping presence can not completely remove the durability of the finish or reactive dyes, resulting in its not completely dissolved.
2 Normative references
The following documents contain provisions which, through reference in this standard to become the standard terms. For dated references, all subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to study under this agreement is standard
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 2910 two-component textile fiber mixtures quantitative chemical analysis methods
Laboratory use specifications and test methods GB/T 6682 Analysis
01057 (all parts) FZ/T Test method for identification of textile fibers
JJG42 work glass hydrometers test procedures
ISO 1833-1 quantitative chemical analysis of textile products - Part 1. General (Textiles-Quantitativechemicalanal-
ysis-Part 1. Generalprinciplesoftesting)
Principle 3
Textiles fiber component after qualitative identification, the use of regenerated cellulose fiber solubility in hydrochloric acid at room temperature, with the hydrochloric acid solution from
Sample of known dry weight of the regenerated cellulose fiber is dissolved, then the insoluble fiber washing and drying, weighed, combined with the correction coefficient is calculated for each component
The content percentage.
4 Reagents
The reagents used were of analytical grade water to comply with GB/T 6682 provisions tertiary water.
4.1 of concentrated hydrochloric acid. 36% - 38%.
4.2 of concentrated aqueous ammonia. 25% to 28%.
4.3 hydrochloric acid solution. Concentrated hydrochloric acid (4.1) was dissolved in water, the solution was adjusted to a density of 1.178g/mL (25 ℃).
Note. Density meter reading method in Appendix A.
4.4 dilute ammonia solution. Take ammonia (4.2) 20mL, diluted with water to 1L.
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