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SN/T 0464-2013: Textile for import and export. Method for quantitative analysis of fiber. Polyurethane fiber mixture textiles
Status: Valid SN/T 0464: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 0464-2013 | English | 419 |
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3 days [Need to translate]
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Textile for import and export. Method for quantitative analysis of fiber. Polyurethane fiber mixture textiles
| Valid |
SN/T 0464-2013
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| SN/T 0464-2003 | English | 439 |
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4 days [Need to translate]
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The textile spandex content test method
| Obsolete |
SN/T 0464-2003
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| SN/T 0464-1995 | English | 199 |
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2 days [Need to translate]
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Determination method of composition analysis forimport and export covered spandex
| Obsolete |
SN/T 0464-1995
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PDF similar to SN/T 0464-2013
Basic data | Standard ID | SN/T 0464-2013 (SN/T0464-2013) | | Description (Translated English) | Textile for import and export. Method for quantitative analysis of fiber. Polyurethane fiber mixture textiles | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | W52 | | Classification of International Standard | 59.080.30 | | Word Count Estimation | 16,175 | | Older Standard (superseded by this standard) | SN/T 0464-2003 | | Quoted Standard | GB/T 2910.1-2009; GB/T 2910.2-2009; GB/T 8170; GB/T 10629 | | Regulation (derived from) | AQSIQ notification issued in 2013 on the first batch of 179 entry-exit inspection and quarantine of industry standards; industry standard for filing Notice 2013 No. 9 (No. 165 overall) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard provides a quantitative analysis method for the determination of spandex textiles by hand separation and dissolution method. This standard applies to two-component polyurethane containing content analysis of three-component textile products. | SN/T 0464-2013: Textile for import and export. Method for quantitative analysis of fiber. Polyurethane fiber mixture textiles
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Textile for import and export.Method for quantitative analysis of fiber.Polyurethane fiber mixture textiles
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Instead of the SN/T 0464-2003
Importers and quantitative analysis of textile fiber
Spandex products
Issued on. 2013-03-01
2013-09-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Instead of the standard SN/T 0464-2003 "Test Method for Textiles spandex content."
This standard compared with SN/T 0464-2003, the main technical changes are as follows.
--- Modify the normative references;
--- Sulfuric acid (mass fraction 75%) increase in the scope of law polylactic acid fiber;
--- Hydrochloric acid (mass fraction is 20%) Law adds correction coefficient acetate fibers and polylactic acid fibers;
--- Formic acid (mass fraction 75%) Law adds polyester fibers and polylactic acid fibers correction coefficient;
--- Sodium thiocyanate (mass fraction 50%) increases the correction factor method of polylactic acid fiber;
--- Increased acid (mass fraction 80%) of lyocell correction coefficient;
--- Were dissolved with dimethyl acetamide instead of the method of dimethylformamide was dissolved method;
--- Increasing the sodium hypochlorite solution method;
--- Modify the sample is a laboratory sample;
--- Modify the sample pretreatment;
--- Drying of the sample, weighing method increases the halogen drying method;
--- Revised Appendix A.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Shenzhen Inspection and Quarantine Science Research Institute, Shenzhen People's Republic of China Exit Inspection and Quarantine, the Chinese people
Republic of Jiangsu Entry-Exit Inspection and Quarantine Shandong People's Republic of China.
The main drafters of this standard. Tang Li Chun, Liu Caiming, CRITICAL, Chunai Qing, Zhou Jing Zhu, Li Lixia, mountains.
This standard replaces the standards previously issued as follows.
--- SN/T 0464-1995, SN/T 0464-2003.
Importers and quantitative analysis of textile fiber
Spandex products
Warning. The use of this document should be a person experiences regular laboratory work. The document did not indicate that all possible security issues,
The user's responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relating to national legislation.
1 Scope
This standard specifies the method for determining the quantitative analysis of textile spandex hand separation and dissolution method.
This standard applies to spandex containing two component, three component content analysis of textile products.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2910.1-2009 Textiles - Quantitative chemical analysis - Part 1. General principles of testing
GB/T 2910.2-2009 Textiles - Quantitative chemical analysis - Part 2. Three-component fiber mixture
GB/T 8170 repair value expressed about the rules and limit values and judgment
Prepare for chemical testing laboratory samples and specimens GB/T 10629 Textiles
Principle 3
3.1 manual separation
After the textile fiber component qualitative identification, using manual separation decomposition fabric or yarns of different types of fibers, dried, weighed, counted
Calculating the fiber content of each component.
3.2 dissolution method
After the textile fiber component qualitative identification, depending on the sample fibers and choose the appropriate chemical reagents and dissolution conditions, the
One or two component fibers in the product is dissolved, the residue dry weight, based on corrected mass needed, from dissolved or undissolved substance weightlessness
Calculation of the content of each component fiber.
4 General test
4.1 Sampling
According to GB/T 10629 regulations laboratory sample taken to be representative and sufficient to provide all the necessary samples, each sample at least 1g.
Fabric samples may include yarns of the different components in the sample should be considered during this.
4.2 Sample Pretreatment
According to GB/T 2910.1-2009 Appendix A, choose the appropriate way to go unless fibrous substance, and requires no substantial fiber component
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