GB/T 30910-2014 English PDF

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GB/T 30910-2014: Rubber shoes -- Determination of migration of 2-mercaptobenzothiazole and 2, 2-dithiobis (benzothiazole)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 30910-2014	209	Add to Cart	3 days	Rubber shoes -- Determination of migration of 2-mercaptobenzothiazole and 2, 2-dithiobis (benzothiazole)	Valid

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Basic data

Standard ID: GB/T 30910-2014 (GB/T30910-2014)
Description (Translated English): Rubber shoes -- Determination of migration of 2-mercaptobenzothiazole and 2, 2-dithiobis (benzothiazole)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y78
Classification of International Standard: 61.060
Word Count Estimation: 9,956
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 determination of 2-mercaptobenzothiazole shoes by liquid chromatography benzothiazole disulfide dibenzothiazyl to sweat migration approach. This standard applies to shoes with rubber material of 2-mercapto benzothiazole disulfi

GB/T 30910-2014: Rubber shoes -- Determination of migration of 2-mercaptobenzothiazole and 2, 2-dithiobis (benzothiazole)

---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 2-mercaptobenzothiazole and 2, 2 "-dithiobis (benzothiazole) ICS 61.060 Y78 National Standards of People's Republic of China Shoes mercaptobenzothiazole thiazole, diphenyl disulfide Benzothiazole measured migration of 2,2'-dithiobis (benzothiazole) 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 is based on GB/T 1.1-2009 given rule drafting. 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, Inspection Services Limited Kunshan Aetna, Nanan City guanqiao beauty bridge shoe factory Xiamen Tak Motion Detection Technology Co., Ltd. Fujian Fujian grams shoes, mao-tai (Fujian) Shoes Co., The company, Fujian footwear Product Quality Supervision and Inspection Center, Quanzhou Standards Institute, New Belle Footwear (Shenzhen) Co., Ltd., Shanghai Quality Supervision, Inspection Technology Research Institute. The main drafters of this standard. Fang Guangwei, Tongyu Gui, Zhou Liying, Huang Ping, Cai Zhijie, Zhang Yahong, Cai Temple, Song Xiaowu, especially Yong Yi, Dingsi Bo, Chen Qin, Fei Guoping, Lin Shan, its Lvpei, Chen Zhiqiang, Tian Ru. Shoes mercaptobenzothiazole thiazole, diphenyl disulfide Benzothiazole measured migration of 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 use of liquid chromatography shoes 2-mercapto benzothiazole disulfide dibenzothiazyl of migration to sweat method. This standard applies to shoes with rubber material of 2-mercapto benzothiazole disulfide dibenzothiazyl due to contact with the amount of sweat and migration Detection.

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 sample was extracted with 2-mercapto benzothiazole, dibenzothiazyl disulfide, extracted with methylene chloride extract was concentrated, acetone Volume, measured by liquid chromatography, according to their retention time qualitative, with 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 acetonitrile. chromatography. 4.2 acetone. chromatography. 4.3 dichloromethane. 4.4 0.01mol/L sodium dihydrogen phosphate solution. Weigh 1.56g sodium dihydrogen phosphate, dissolved in water and dilute to 1L. 4.5 Acidic sweat. 0.5gL- liter of water containing histidine monohydrochloride (C6H9N3O2 · HCl), 5g of sodium chloride (NaCl), 2.2g of phosphorus Acid sodium dihydrogen (NaH2PO4 · 2H2O), with 1mol/L sodium hydroxide (NaOH) solution to adjust the pH test solution to 5.5 (± 0.2), this solution Solution should be now with the current. 4.6 2-mercapto-benzothiazole standard. Formula C7H5NS2, CAS No. 149-30-4, 99.1% purity. 4.7 dibenzothiazyl disulfide standard. Formula C14H8N2S4, CAS No. 120-78-5, 99.1% purity. 4.8 stock standard solution. Weigh 2-mercapto benzothiazole and diphenyl disulfide benzothiazole standard each 10.0mg, were dissolved in acetone and is scheduled Volume to 100mL, the standard stock solution was placed in 4 ℃ refrigerator in the dark, valid for two months. ......

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