GB/T 36488-2018 English PDF

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GB/T 36488-2018: Determination of polycyclic aromatic hydrocarbons in coatings
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 36488-2018	199	Add to Cart	3 days	Determination of polycyclic aromatic hydrocarbons in coatings	Valid

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Basic data

Standard ID: GB/T 36488-2018 (GB/T36488-2018)
Description (Translated English): Determination of polycyclic aromatic hydrocarbons in coatings
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G50
Classification of International Standard: 87.040
Word Count Estimation: 10,199
Date of Issue: 2018-07-13
Date of Implementation: 2019-02-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 36488-2018: Determination of polycyclic aromatic hydrocarbons in coatings

---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 polycyclic aromatic hydrocarbons in coatings ICS 87.040 G50 National Standards of People's Republic of China Determination of polycyclic aromatic hydrocarbons in paints Published on.2018-07-13 Implementation of.2019-02-01 State Market Supervisory Administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the National Coatings and Pigments Standardization Technical Committee (SAC/TC5). This standard was drafted. CNOOC Changzhou Coating Chemical Research Institute Co., Ltd., Changzhou Guanghui Chemical Co., Ltd., Hefei Xuyang Aluminum Pigment Co., Ltd., AVIC Baimu New Material Technology Engineering Co., Ltd., Shunde Vocational and Technical College, Changzhou Engineering Vocational and Technical College, Chinese System Paint (Shenzhen) Co., Ltd., Zhongshan Eternal Testing Technology Co., Ltd., Libang Coatings (China) Co., Ltd., Shanghai Jiabaoli Coating Co., Ltd. Foshan Shunde Baidefu Industrial Co., Ltd., Beijing Bihaizhou Corrosion Protection Industry Co., Ltd., Bugeda Precision Instruments (Guangzhou) Company, Shenzhen Guangtian Environmental Coating Co., Ltd., Shenzhen Saixinui Technology Innovation Center, Heilongjiang Quality Supervision and Inspection Institute, Jiang Su Hualun Chemical Co., Ltd., Dongguan Enfeng Building Materials Technology Co., Ltd., National Building Decoration Materials Quality Supervision and Inspection Center, Changsha Xingxing New Materials Co., Ltd., Guangzhou Huizheng Technology Co., Ltd., Guangdong Hongbo Technology Co., Ltd. The main drafters of this standard. Li Jinying, Zhu Xi, Zhao Shaohong, Dong Qiannian, Yang Zhenbo, Chen Yanwu, Huang Yibo, Wang Zhi, Yang Yong, Han Dan, Chen Ronghua, Liu Fengjuan, Li Yizhen, Wang Chongwu, Hu Jiru, Tu Jianguo, Sun Lide, Sun Changhua, Wu Yizhen, Long Fengjia, Xu Peng, Zeng Mengjin, Guo Weiye. Determination of polycyclic aromatic hydrocarbons in paints Caution - Personnel using this standard should have practical experience in formal laboratory work. This standard does not indicate all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.

1 Scope

This standard specifies the terms and definitions, principles, reagents and materials for the determination of polycyclic aromatic hydrocarbons in paints by gas chromatography-mass spectrometry. Equipment, samples, test procedures, test data processing, precision and test reports. This standard applies to the determination of polycyclic aromatic hydrocarbons in paints and coatings, including but not limited to the polycyclic aromatics listed in Table A.1 of Appendix A. hydrocarbon. The determination of polycyclic aromatic hydrocarbons in raw materials for coatings can be referred to this standard.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 3186 Paint, varnish and paint and varnish raw materials sampling GB/T 12806 laboratory glass instrument single standard line volumetric flask

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Polycyclic aromatic hydrocarbons (polycyclicaromatichydrocarbons); PAHs a series of hydrocarbon compounds and their derivatives fused by two or more benzene rings, which may also have short alkyl or naphthenic rings. Base substituent.

4 Principle

The polycyclic aromatic hydrocarbons in the sample were ultrasonically extracted using n-hexane as an extraction solvent. Gas chromatography-mass spectrometer after constant volume extraction (GC/MS) was tested and quantified by external standard method. Note. Other approved suitable solvents can also be selected as the extraction solvent.

5 reagents and materials

Unless otherwise specified, only reagents identified as analytically pure and of the above purity were used in the analysis. 5.1 n-hexane. chromatographically pure. 5.2 Polycyclic aromatic hydrocarbon calibration compounds (see Table A.1). mass fraction not less than 99%. 5.3 Mixed standard stock solution. about.200μg/mL, weigh about 0.02g of each polycyclic aromatic hydrocarbon calibration compound (5.2), accurate to 0.1mg, Place in a 100 mL volumetric flask (6.6) and dilute to the mark with n-hexane (5.1). The standard stock solution is stored in the dark below 4 ° C, effective ......

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