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GB/T 13291-2021 English PDF

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Q: Should I purchase the latest version GB/T 13291-2021?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 13291-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$159.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 13291-2021: Butadiene for industrial use
Status: Valid

GB/T 13291: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 13291-2021	159	Add to Cart	3 days	Butadiene for industrial use	Valid
GB/T 13291-2008	120	Add to Cart	Auto, < 3 mins	Butadiene for industrial use-specification	Obsolete
GB 13291-1991	199	Add to Cart	2 days	Butadiene for industrial use. Specification	Obsolete

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Basic data

Standard ID: GB/T 13291-2021 (GB/T13291-2021)
Description (Translated English): Butadiene for industrial use
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G17
Word Count Estimation: 8,855
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 13291-2021: Butadiene 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.
Butadiene for industrial use ICS 71.080.10 CCSG17 National Standards of People's Republic of China Replace GB/T 13291-2008 Industrial butadiene Released on 2021-08-20 2022-03-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 13291-2008 "Industrial Butadiene". Compared with GB/T 13291-2008, the main technical changes are as follows. a) Deleted the "Scope" chapter production process regulations (see Chapter 1, Chapter 1 of the.2008 edition) b) Two chapters "Terms and Definitions" and "Product Classification" have been added (see Chapters 3 and 4); c) Added the terms and definitions of dimer and total alkyne (see Chapter 3); d) Modified the product index classification method (see Table 1, Table 1 of the.2008 edition); e) Modified the requirements of appearance (see Table 1, Table 1 of the.2008 edition); f) Modified the project name of the dimer (see Table 1, Table 1 of the.2008 edition); g) The items and quality indicators of acetonitrile content, N-methylpyrrolidone and amine value have been added (see Table 1, Table 1 of the.2008 edition); h) The test methods for acetonitrile content, N-methylpyrrolidone and amine value have been added (see Table 1, Table 1 of the.2008 edition); i) Modified sampling and inspection rules (see Chapter 6 and Chapter 7, Chapter 4 of the.2008 edition); j) A chapter "Marks, Labels and Product Accompanying Documents" has been added (see Chapter 8); k) Modified packaging, transportation and storage (see Chapter 9, Chapter 5 of the.2008 edition); l) Move the safety-related reminder content into Appendix A (see Appendix A, Chapter 6 of the.2008 edition). Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by the China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the Petrochemical Sub-Technical Committee of the National Chemical Standardization Technical Committee (SAC/TC63/SC4). This document was drafted by. China Petroleum & Chemical Corporation Beijing Yanshan Branch, China Petroleum & Chemical Corporation Shanghai Petrochemical Co., Ltd. Petrochemical Research Institute. The main drafters of this document. Cui Guanghong, Wang Jing, Yu Hongjin, Luo Xianhui, Wang Zhichun, Li Jiwen, Wang Chuan. The previous versions of this document and the documents replaced are as follows. ---GB/T 13291-1991 was first published in.1991, and it was revised for the first time in.2008. ---This is the second revision. Industrial butadiene Warning. If the appropriate precautions are not followed, the products covered by this standard may be There is danger. This standard does not intend to make recommendations for all safety issues related to this product. Before using this standard, the user has the responsibility to adopt Take appropriate safety and precautionary measures, and determine the applicability of relevant regulatory restrictions.

1 Scope

This document specifies the product classification, technical requirements and test methods, sampling, inspection rules, marking, labeling and accompanying of industrial butadiene Documents, packaging, transportation and storage. This document is applicable to butadiene used as a polymerization monomer and raw material for the synthesis of adiponitrile, hexamethylene diamine and other products. Butadiene structural formula. CH2=CH-CH=CH2, relative molecular mass. 54.0 (according to.2018 international relative atomic mass).

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 3723 General Rules for Sampling Safety of Industrial Chemical Products GB/T 6015 Determination of trace dimers and residual extractants in butadiene for industrial use. Gas chromatography GB/T 6017 Determination of purity of butadiene and hydrocarbon impurities for industrial use by gas chromatography GB/T 6020 Determination of tert-butylcatechol (TBC) in butadiene for industrial use GB/T 6022 Determination of Oxygen in the Gas Phase on the Liquid Overflow of Butadiene for Industrial Use GB/T 6023 Determination of trace water in butadiene for industrial use Karl Fischer coulometric method GB/T 6025 Determination of trace amines in butadiene for industrial use GB/T 8170 Numerical rounding rules and the expression and determination of limit values GB/T 10478 Liquefied Gas Railway Tank Car GB/T 13290 Industrial Propylene and Butadiene Liquid Sampling Method GB/T 17828 Titration method for determination of peroxide content in butadiene for industrial use GB/T 19905 Liquefied Gas Tank Truck SH/T 1494 Volumetric Method for the Determination of Carbonyl Compounds in C4 Hydrocarbons TSG21 Safety Technical Supervision Regulations for Fixed Pressure Vessels TSGR0005 Safety Technical Supervision Regulations for Mobile Pressure Vessels

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Dimer Carbon eight hydrocarbon components produced by dimerization of butadiene. Note. The dimer index in this document only makes requirements for the content of 4-vinylcyclohexene. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 13291-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 13291-2021_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 13291-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 13291-2021_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.

Question 5: Should I purchase the latest version GB/T 13291-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 13291-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.