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GB/T 30158-2013: Determination of nickel released from accessories on textile products
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| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| GB/T 30158-2013 | English | 279 |
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Determination of nickel released from accessories on textile products
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Basic data | Standard ID | GB/T 30158-2013 (GB/T30158-2013) | | Description (Translated English) | Determination of nickel released from accessories on textile products | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | W04 | | Classification of International Standard | 59.080.01 | | Word Count Estimation | 12,176 | | Quoted Standard | GB/T 6682; GB/T 8170; GB/T 30156 | | Regulation (derived from) | National Standards Bulletin No. 25 of 2013 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the determination of textile products in direct contact with the skin appendages frequent release of nickel. This standard applies to textile products in the accessories, such as zippers, buttons, etc. Determination of nickel relea | GB/T 30158-2013: Determination of nickel released from accessories on textile products---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.
Determination of nickel released from accessories on textile products
ICS 59.080.01
W04
National Standards of People's Republic of China
Determination of nickel release Textiles Accessories
Issued on. 2013-12-17
2014-10-15 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Textile Industry Association.
The standard basis by the National Textile Standards Technical Committee of Standardization Technical Committee (SAC/TC209/SC1) centralized.
This standard was drafted. People's Republic of China, Ningbo Entry-Exit Inspection and Quarantine of Jiangsu People's Republic of China
Bureau of Textile Industry Research Institute of Standardization.
The main drafters of this standard. Fuke Jie, Feng Yun, Ding Youchao, Fudan Hua, Yang Shujuan, Bao Bei Qi, Yang Lisheng, relaxation, Ren Qingqing.
Determination of nickel release Textiles Accessories
Warning. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security issues.
Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.
1 Scope
This standard specifies the method for determination of textile products in direct contact with the skin frequently Annex nickel release.
This standard applies to textile products accessories such as zippers, buttons and other nickel release determination, other types of attachments can be implemented by reference.
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.
Laboratory use specifications and test methods GB/T 6682 Analysis
GB/T 8170 repair digital representation about rules and limit values \u200b\u200band judgment
GB/T 30156 Textiles Accessories corrosion coating method and Wear
Principle 3
The samples were tested for nickel release attachment placed in artificial sweat for one week [(168 ± 2) h], by atomic absorption spectrometry, inductively
Coupled plasma emission spectrometer or other suitable analytical instrument measuring the concentration of nickel release solution, combined with the attached sample area calculation
Member of nickel release. Nickel release in micrograms per square centimeter per week [μg/(cm2 · week)] FIG.
4 Reagents
Unless otherwise indicated, the reagents used were of analytical grade, and should not contain nickel. Test water should meet the three GB/T 6682 stipulated
Above the level of water or water.
4.1 sodium chloride.
4.2 DL- lactic acid. greater than 88% (mass fraction), ρ = 1.21g/mL.
4.3 urea.
4.4 Sodium hydroxide. solid, purity of 98% or more.
4.5 1mol/L sodium hydroxide solution. Take the inner (4.00 ± 0.01) g of sodium hydroxide (4.4) to 100mL beaker, add water, 50mL, and stirred
Cooled to room temperature, the solution was transferred to a 100mL volumetric flask, dilute with water to volume.
4.6 0.1mol/L sodium hydroxide solution. 25mL amount of sodium hydroxide solution (4.5) to 250mL volumetric flask, dilute with water to volume
Scale.
4.7 hydrochloric acid. ρ = 1.16g/mL, 32% (volume fraction).
4.8 0.1mol/L hydrochloric acid solution. the amount of 10mL of hydrochloric acid (4.7) to 100mL volumetric flask, dilute with water to volume, and mix.
4.9 Nitric acid. 65% (mass fraction), ρ = 1.40g/mL.
4.10 dilute nitric acid solution. about 5% (mass fraction). The 30mL of nitric acid (4.9) was transferred to pre-loaded with 350mL 500mL beaker of water
Stirred and cooled to room temperature, the solution is transferred to 500mL volumetric flask, dilute to the mark.
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