GB/T 30909-2014 English PDF

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GB/T 30909-2014: Rubber shoes -- Determination of migration of acrylonitrile
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 30909-2014	169	Add to Cart	3 days	Rubber shoes -- Determination of migration of acrylonitrile	Valid

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Basic data

Standard ID: GB/T 30909-2014 (GB/T30909-2014)
Description (Translated English): Rubber shoes -- Determination of migration of acrylonitrile
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y78
Classification of International Standard: 61.060
Word Count Estimation: 7,718
Date of Issue: 7/8/2014
Date of Implementation: 12/1/2014
Quoted Standard: GB/T 6682
Regulation (derived from): 2014 National Standards Bulletin No. 18
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 gas chromatography - mass spectrometry shoes residual acrylonitrile to sweat migration method for the determination. This standard applies to shoes with rubber material of acrylonitrile by contact with sweat and migrate out of

GB/T 30909-2014: Rubber shoes -- Determination of migration of acrylonitrile

---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.
Rubber shoes.Determination of migration of acrylonitrile ICS 61.060 Y78 National Standards of People's Republic of China Determination of acrylonitrile migration of shoes Issued on. 2014-07-08 2014-12-01 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 Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee rubber and rubber galoshes Technical Committee (SAC/TC35/SC9) centralized. This standard is mainly drafted by. People's Republic of China Putian Exit Inspection and Quarantine, the Shanghai Quality Supervision, Inspection Technology Research Institute, Nanan City guanqiao beauty bridge shoe factory Xiamen Tak Motion Detection Technology Co., Ltd.-mao-tai (Fujian) Shoes Co., Ltd., the new Belle (Shenzhen) Ltd., Fujian footwear Product Quality Supervision and Inspection Center. The main drafters of this standard. Huang Ping, Tongyu Gui Fei Guoping, Fang Guangwei, Ya-Hong, Cai Zhijie, especially Yong Yi, Ding Sibo, Song Xiaowu, Lvpei it, Han-Hong, Shao Yuwan, Du Yingying, Xu Shijun. Determination of acrylonitrile migration of shoes Warning 1. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security asked Questions, the user has the responsibility to take appropriate safety and health practices and to ensure compliance with the relevant provisions of state laws and regulations. 2 Warning. some of the steps of this standard substances and waste may be used or generated on the local environment has been damaged. Shall establish appropriate Safe operation and related documents after use safe handling.

1 Scope

This standard specifies the gas chromatography - mass spectrometry shoes residual acrylonitrile to sweat migration method for the determination. This standard applies to shoes with rubber material of acrylonitrile by contact with sweat and migrate out of the amount of testing.

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 Principle 3 Acidic sweat extracted sample acrylonitrile extract was extracted with dichloromethane and concentrated by gas chromatography - mass spectrometer measurement Fixed, external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations. 4.1 dichloromethane. chromatography, proven no interference peaks. 4.2 Acidic sweat. 0.5gL- liter of water containing Histidine hydrochloride monohydrate (C6H9O2N3 · HCl · H2O), 5g of sodium chloride (NaCl), 2.2g of sodium dihydrogen phosphate dihydrate (NaH2PO4 · 2H2O), and treated with 1mol/L sodium hydroxide (NaOH) solution adjusted trial Solution pH to 5.5 (± 0.2). This solution should be now with the current. Acrylonitrile 4.3 Standard substance. purity 99.5%, CAS No. 107-13-1. 4.4 stock standard solution. Weigh acrylonitrile Standards 100mg, was dissolved in dichloromethane and dilute to 100mL, set the stock standard solution In the dark at 4 ℃ preservation, valid for two months. 4.5 Working Standard Solution. stock solution proper amount required standard, diluted with methylene chloride dubbed standard working solution of appropriate concentration. 5. Apparatus 5.1 Gas chromatography - mass spectrometry, EI source. 5.2 water bath oscillator can oscillate back and forth. 5.3 nitrogen blowing instrument. ......

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