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GB/T 30910-2014: Rubber shoes -- Determination of migration of 2-mercaptobenzothiazole and 2, 2-dithiobis (benzothiazole)
Status: Valid
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| GB/T 30910-2014 | English | 209 |
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Rubber shoes -- Determination of migration of 2-mercaptobenzothiazole and 2, 2-dithiobis (benzothiazole)
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GB/T 30910-2014
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PDF similar to GB/T 30910-2014
Standard similar to GB/T 30910-2014 GB/T 30907 GB 30585 GB/T 32023 GB/T 30909 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)
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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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