GB/T 38385-2019 English PDF

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GB/T 38385-2019: Determination of disperse yellow 23 and disperse orange 149 dyes in dye products
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38385-2019	279	Add to Cart	3 days	Determination of disperse yellow 23 and disperse orange 149 dyes in dye products	Valid

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Basic data

Standard ID: GB/T 38385-2019 (GB/T38385-2019)
Description (Translated English): Determination of disperse yellow 23 and disperse orange 149 dyes 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: 14,189
Date of Issue: 2009-12-31
Date of Implementation: 2020-11-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 38385-2019: Determination of disperse yellow 23 and disperse orange 149 dyes 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 disperse yellow 23 and disperse orange 149 dyes in dye products ICS 71.100.01; 87.060.10 G55 National Standards of People's Republic of China Disperse yellow 23 in dye products Determination of disperse orange 149 dye 2019-12-31 release 2020-11-01 implementation State Administration of Market Supervision Published by the National Standardization Administration

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 Dye Standardization Technical Committee (SAC/TC134). This standard was drafted. Shenyang Shenhua Institute Testing Technology Co., Ltd., Zhejiang Longsheng Group Co., Ltd., Zhejiang Lutu Co., Ltd. Company, Shenyang Chemical Research Institute Co., Ltd., National Dye Quality Supervision and Inspection Center. The main drafters of this standard. Wu Weichang, Zhao Guangming, Ruan Guangdong, Pu Aijun, Xue Yan, Ji Lanqin, Wang Renliang, Chen Sujuan, Zhao Zhimin, Zhao Lixiang, Li Jiaqi, Wang Ming. Disperse yellow 23 in dye products Determination of disperse orange 149 dye Caution --- Personnel using this standard should have practical experience in regular laboratory work. This standard does not address all possible security issues. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions stipulated by relevant national regulations.

1 Scope

This standard specifies the determination methods of Disperse Yellow 23 and Disperse Orange 149 in dye products. This standard applies to dye products of various dosage forms. For chemical information on Disperse Yellow 23 and Disperse Orange 149, see Appendix A.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 6682-2008 Analytical laboratory water specifications and test methods GB/T 8170-2008 Numerical rounding rules and expression and judgment of limit values

3 Principle

Disperse yellow 23 and disperse orange 149 in the dye were extracted with methanol as a solvent, and the extraction was performed using a high performance liquid chromatography diode array detector. Take the liquid for separation and characterization, and quantify by peak area external standard method. Liquid chromatography-tandem mass spectrometry for detected and uncertain samples (HPLC-MS/MS).

4 General provisions

Unless otherwise specified, use only reagents identified as analytically pure and grade III water as specified in GB/T 6682-2008. Judgment of test results According to GB/T 8170-2008 4.3.3 rounded value comparison method.

5 Reagents or materials

5.1 Disperse Yellow 23 and Disperse Orange 149 dye standards. 5.2 Acetonitrile. chromatographically pure. 5.3 Methanol. chromatographically pure. 5.4 Phosphoric acid. 5.5 Water. Filter through a 0.45 μm aqueous phase membrane. 5.6 PTFE filter (pin filter). 0.45μm. ......

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