GB/T 6015-2021 English PDFUS$199.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 6015-2021: Determination of trace dimer and residual extraction agent of butadiene for industrial use - Gas chromatographic method Status: Valid GB/T 6015: Historical versions
Basic dataStandard ID: GB/T 6015-2021 (GB/T6015-2021)Description (Translated English): Determination of trace dimer and residual extraction agent of butadiene for industrial use - Gas chromatographic method Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G15 Word Count Estimation: 10,181 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 6015-2021: Determination of trace dimer and residual extraction agent of butadiene for industrial use - Gas chromatographic method---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 trace dimer and residual extraction agent of butadiene for industrial use - Gas chromatographic method ICS 71.080.10 CCSG15 National Standards of People's Republic of China Replace GB/T 6015-1999 Trace dimers and dimers in industrial butadiene Determination of residual extractant Gas chromatography Released on 2021-08-20 2022-03-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee ForewordThis 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 6015-1999 "Determination of Trace Dimer in Industrial Butadiene Gas Chromatography", and GB/T 6015- Compared with.1999, the main technical changes are as follows. a) Modified the scope of application and added the determination of extractant content (see Chapter 1, Chapter 1 of the.1999 edition); b) Added the technical content of extractant determination (see Chapter 4, 5, 7, 8, 9, 10); c) Modified the preparation method of standard samples, and deleted the relevant content of preparing standard samples with n-hexane or n-heptane as the solvent of the original standard (see 5.5, 4.5 and 7.2 of the.1999 edition); d) Modified the chromatographic column and typical chromatographic operating conditions (see Chapter 6, Chapter 5 of the.1999 edition); e) Re-determined the method repeatability limit (see Chapter 10, Chapter 9 of the.1999 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). Drafting organizations of this document. China National Petroleum Corporation Research Institute of Petrochemical Industry, China Petroleum & Chemical Corporation Shanghai Petrochemical Research Institute. The main drafters of this document. Chen Fei, Zhong Ming, Xue Huifeng, Li Jiwen, Shi Dejun, Li Chengwei. The previous versions of the documents replaced by this document are as follows. ---GB/T 6015-1985, GB/T 6015-1999. Trace dimers and dimers in industrial butadiene Determination of residual extractant Gas chromatography Warning. This document is not intended to explain all safety issues related to its use. The user is responsible for taking appropriate safety and health Health measures to ensure compliance with the scope of relevant national laws and regulations.1 ScopeThis document specifies the use of gas chromatography to determine the content of trace dimers and residual extractants in industrial butadiene. This document is applicable to butadienes such as 4-vinylcyclohexene, 1,2-divinylcyclobutane, 1,5-cyclooctadiene, etc. in industrial butadiene Determination of residual extractants such as dimer and acetonitrile (ACN), N,N-dimethylformamide (DMF), N-methylpyrrolidone (NMP), two The lowest measured concentration of polymer is 5mg/kg, and the lowest measured concentration of extractant is 1mg/kg.2 Normative referencesThe 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 8170 Numerical rounding rules and the expression and determination of limit values GB/T 13290 Industrial Propylene and Butadiene Liquid Sampling Method3 Terms and definitionsThere are no terms and definitions that need to be defined in this document.4 Method summaryThe liquid butadiene sample is injected into the gas chromatograph, and the butadiene dimer and extractant in the sample are effectively used in the chromatographic column Separate, use a hydrogen flame ionization detector (FID) for detection, and calculate the content of each component to be tested by an external standard method.5 Materials and reagentsWarning. The following gases are high-pressure compressed gases or extremely flammable gases, and should be used safely. 5.1 Carrier gas Nitrogen, with a purity of not less than 99.99% (volume fraction), is dried and purified by silica gel and 5A molecular sieve. 5.2 Auxiliary gas Nitrogen, with a purity of not less than 99.99% (volume fraction), is dried and purified by silica gel and 5A molecular sieve. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 6015-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 6015-2021_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 6015-2021_English with my colleagues?Answer: Yes. 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Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6015-2021 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. |
