Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 23959-2009 English PDF

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23959-2009: Hydroquinone for industrial use
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 23959-2009279 Add to Cart 3 days Hydroquinone for industrial use Valid

Similar standards

GB/T 22053   GB/T 26026   GB/T 24768   GB/T 23953   GB/T 23963   GB/T 23962   

Basic data

Standard ID: GB/T 23959-2009 (GB/T23959-2009)
Description (Translated English): Hydroquinone for industrial use
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G17
Classification of International Standard: 71.080.90
Word Count Estimation: 12,169
Date of Issue: 2009-06-02
Date of Implementation: 2010-02-01
Quoted Standard: GB 190; GB/T 601-2002; GB/T 602-2002; GB/T 603-2002; GB/T 617-2006; GB/T 1250; GB/T 6678-2003; GB/T 6679-2003; GB/T 6682-2008
Regulation (derived from): National Standard Approval Announcement 2009 No.8 (Total No.148)
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 industrial use of hydroquinone technical requirements, test methods, inspection rules and signs, packaging, transported material, storage and security. This standard applies to law or aniline hydroxylation of phenol method were used for the industrial production of diphenols stupid, inspection and sales.

GB/T 23959-2009: Hydroquinone for industrial use

---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.
Hydroquinone for industrial use ICS 71.080.90 G17 National Standards of People's Republic of China Industrial hydroquinone Posted 2009-06-02 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 is a normative appendix. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee branch of organic chemistry (SAC/TC63/SC2) centralized. This standard was drafted. Chemical Industry Co., Ltd. Lianyungang Sanjili. Participated in the drafting of this standard. Yancheng Fengyang Chemical Co., Ltd., Zhenjiang Rhodia Chemicals Limited. The main drafters of this standard. Liu marked, Chensu Qing, Xu Juan, Wang Hengqi. Industrial hydroquinone

1 Scope

This standard specifies the industrial use of hydroquinone technical requirements, test methods, inspection rules and signs, packaging, transportation, storage, and security. This standard applies to phenol hydroxylation law or legal system of industrial aniline hydroquinone production, testing and marketing. Molecular formula. C6H6O2 Structure. handkerchief handkerchief handkerchief Division division division  division division division OH OH Molecular weight. 110.11 (according to 2007 international relative atomic mass)

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. GB 190 packaging and marking of dangerous goods Preparation of GB/T 601-2002 Chemical Reagent standard titration solution GB/T 602-2002 Chemical Reagent preparation impurity standard solution was determined by (ISO 6353-1. 1982, NEQ) GB/T 603-2002 Chemical Reagent Test Methods Preparations with (ISO 6353-1. 1982, NEQ) GB/T 617-2006 Chemical Reagent melting range determination General Method Representation GB/T 1250 limit values \u200b\u200band the method of determining GB/T 6678-2003 General Principles for Sampling Chemical Products GB/T 6679-2003 General rules for sampling solid chemical products GB/T 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD)

3 Requirements

3.1 Appearance. excellent product is white or nearly white solid, qualified as a white or light-colored solid. 3.2 Industrial hydroquinone should meet the technical requirements in Table 1 below. Table 1 Technical Requirements project index Excellence Qualified Hydroquinone, w1/99.0 to 100.5% Catechol, w1 /% ≤ 0.05 Final melting point/℃ 171 ~ 175 Residue on ignition, w1 /% ≤ 0.10 0.30 Heavy metals (Pb), w1 /% ≤ 0.002 -
......
Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23959-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23959-2009_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 23959-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23959-2009_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.