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GB/T 23345-2009 English PDF

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US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23345-2009: Textiles -- Determination of dyestuffs of disperse yellow 23 and disperse orange 149
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23345-2009	209	Add to Cart	3 days	Textiles -- Determination of dyestuffs of disperse yellow 23 and disperse orange 149	Valid

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Basic data

Standard ID: GB/T 23345-2009 (GB/T23345-2009)
Description (Translated English): Textiles -- Determination of dyestuffs of disperse yellow 23 and disperse orange 149
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: W04
Classification of International Standard: 59.080.01
Word Count Estimation: 9,987
Date of Issue: 2009-03-19
Date of Implementation: 2010-02-01
Quoted Standard: GB/T 6682
Regulation (derived from): National Standard Approval Announcement 2009 No.3 (Total No.143)
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 use of liquid chromatography-Textile products Disperse Yellow 23 and Disperse Orange 149 dye content of tandem mass spectrometry (LC-MS/MS) and high performance liquid chromatography (HPLC) determination. This standard applies to textile products by dyeing process.

GB/T 23345-2009: Textiles -- Determination of dyestuffs of disperse yellow 23 and disperse orange 149

---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.
Textiles. Determination of dyestuffs of disperse yellow 23 and disperse orange 149 ICS 59.080.01 W04 National Standards of People's Republic of China textile Determination of Disperse Yellow 23 and Disperse Orange 149 dye Posted 2009-03-19 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard and Appendix B is an informative annex. The standard proposed by China Textile Industry Association. The standard basis by the National Textile Standards Technical Committee of Standardization Technical Committee (SAC/TC209/SC1) centralized. This standard was drafted. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau, Textile Industry Research Institute of Standardization. The main drafters of this standard. Friends of Ding Chao, Caoxi Zhong, Zhou Jing Chu, Wu Hao, and Cai, Zhou Jia, Tian Shu, Wang Hsiao-ping. textile Determination of Disperse Yellow 23 and Disperse Orange 149 dye Warning. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security issues. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

This standard specifies the use of liquid chromatography - tandem mass spectrometry (LC-MS/MS) and high performance liquid chromatography (HPLC) Determination of textile products The Disperse Yellow 23 and Disperse Orange 149 dye content method. This standard applies to processed by dyeing of textile products.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Laboratory use specifications and test methods GB/T 6682 Analysis Principle 3 Reflux extraction with boiling chlorobenzene sample dye concentrate rid extract the solvent, the residue was washed with methanol to volume. With polytetrafluoroethylene After ene membrane filtration, the sample solution by liquid chromatography - tandem mass spectrometry (LC-MS/MS) measurement and validation, external standard; or high performance liquid chromatography Spectrometer (HPLC) assay, if necessary, supplemented by thin layer chromatography (TLC) to confirm, external standard.

4 Reagents

Unless otherwise indicated, the reagents used in the analysis were of analytical grade and GB/T 6682 provisions tertiary water. 4.1 chlorobenzene. 4.2 toluene. 4.3 xylene. 4.4 tetrahydrofuran. 4.5 n-hexane. 4.6 chloroform. 4.7 ethyl acetate. 4.8 phosphoric acid. 4.9 Methanol (HPLC grade). 4.10 Acetonitrile (HPLC grade). 4.11 formic acid (HPLC grade). 4.12 standard solution 4.12.1 Disperse Yellow 23 (CAS Number. 6250-23-3) and Disperse Orange 149 (CAS Number. 85136-74-9) one-component stock standard solution (500mg/L), formulated with the methanol solvent. NOTE. The standard solution in a refrigerator 2 ℃ ~ 4 ℃ in preservation, valid for 12 months. 4.12.2 HPLC analysis of standard working solution (5.0mg/L). Pipette from each single component standard stock solution into the same flask 1mL ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23345-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23345-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 23345-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23345-2009_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.