GB/T 36907-2018 English PDF

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GB/T 36907-2018: Determination of aniline derivatives in dye products
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 36907-2018	199	Add to Cart	3 days	Determination of aniline derivatives in dye products	Valid

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Basic data

Standard ID: GB/T 36907-2018 (GB/T36907-2018)
Description (Translated English): Determination of aniline derivatives in dye products
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G55
Classification of International Standard: 71.100.01;87.060.10
Word Count Estimation: 10,146
Date of Issue: 2018-12-28
Date of Implementation: 2019-11-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 36907-2018: Determination of aniline derivatives in dye 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 aniline derivatives in dye products ICS 71.100.01; 87.060.10 G55 National Standards of People's Republic of China Determination of aniline compounds in dye products Published on.2018-12-28 2019-11-01 implementation State market supervision and 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 Dyestuff Standardization Technical Committee (SAC/TC134). This standard was drafted. Jiangsu Jihua Chemical Co., Ltd., Qingdao Gulf Fine Chemical Co., Ltd., China's chemical economic and technological development Xin, Shenyang Chemical Research Institute Co., Ltd., National Dyestuff Quality Supervision and Inspection Center. The main drafters of this standard. Pu Aijun, Chen Xiaoyong, Song Zhixin, Xue Yan, Chen Meifen, Zhang Meiyan, Liu Mei, Ji Hao. Determination of aniline compounds in dye products 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 determination methods for 19 aniline compounds in dye products (see Appendix A). This standard applies to the determination of 19 aniline compounds in dye products of various dosage forms.

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 8170-2008 Numerical rounding rules and the representation and determination of limit values

3 Principle

Using dichloromethane as the extractant, the sample was extracted by ultrasonic wave, and the extract was qualitatively analyzed by gas chromatography-mass spectrometry. Quantitative.

4 Determination method

4.1 General provisions Unless otherwise specified, only reagents identified as analytically pure are used. The judgment of the test results shall be repaired according to 4.3.3 of GB/T 8170-2008. The value comparison method is carried out. 4.2 Reagents and materials 4.2.1 Mixed standard of aniline compound. 1000 mg/L is dissolved in toluene. 4.2.2 Dichloromethane. 4.2.3 Standard stock solution of aniline compound. 1000mg/L is dissolved in dichloromethane. 4.2.4 Internal standard 1.1,2-dichlorobenzene-d4,.2000mg/L dissolved in methanol. 4.2.5 Internal standard 2. phenanthrene-d10, 1000 mg/L dissolved in dichloromethane. 4.2.6 Mixed internal standard use solution. Take appropriate amount of internal standard 1 and internal standard 2, and dilute with dichloromethane to a concentration of 100 mg/L. 4.3 Instruments and equipment 4.3.1 Gas Chromatography-Mass Spectrometry (GC-MSD). 4.3.2 Column. length 60m, inner diameter 0.25mm, film thickness 0.25μm. 4.3.3 Stationary phase. (5% phenyl) methylpolysiloxane, or a stationary phase with equivalent separation capabilities. 4.3.4 Ultrasonic generator. ......

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