GB/T 3394-2023 English PDFUS$289.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 3394-2023: Determination of trace carbon monoxide, carbon dioxide and acetylene of ethylene and propylene for industrial use - Gas chromatographic method Status: Valid GB/T 3394: Historical versions
Basic dataStandard ID: GB/T 3394-2023 (GB/T3394-2023)Description (Translated English): Determination of trace carbon monoxide, carbon dioxide and acetylene of ethylene and propylene for industrial use - Gas chromatographic method Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G16 Classification of International Standard: 71.080.10 Word Count Estimation: 14,184 Date of Issue: 2023-11-27 Date of Implementation: 2024-06-01 Older Standard (superseded by this standard): GB/T 3394-2009 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 3394-2023: Determination of trace carbon monoxide, carbon dioxide and acetylene of ethylene and propylene 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. ICS 71:080:10 CCSG16 National Standards of People's Republic of China Replace GB/T 3394-2009 Trace amounts of carbon monoxide in industrial ethylene and propylene, Determination of carbon dioxide and acetylene gas chromatography Published on 2023-11-27 2024-06-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee ForewordThis document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: This document replaces GB/T 3394-2009 "Determination of trace amounts of carbon monoxide, carbon dioxide and acetylene in industrial ethylene and propylene in gas phase "Chromatography", compared with GB/T 3394-2009, in addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Changed the scope (see Chapter 1, Chapter 1 of the:2009 edition); b) The gas used for preparing standard samples has been deleted (see 4:4 of the:2009 edition); c) Change the chromatographic column and measurement conditions for carbon monoxide and carbon dioxide analysis (see Chapter 4, Chapter 5 and 7 of the:2009 edition) chapter); d) The chromatographic column and measurement conditions for acetylene analysis have been changed (see Chapter 5, Chapter 5 and Chapter 7 of the:2009 edition); e) The repeatability limits of the method have been re-determined (see Chapter 7, Chapter 9 of the:2009 edition); f) Added quality assurance and control (see Chapter 8): Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents: This document is proposed by China Petroleum and Chemical Industry Federation: This document is under the jurisdiction of the National Chemical Standardization Technical Committee (SAC/TC63): This document was drafted by: Sinopec (Shanghai) Petrochemical Research Institute Co:, Ltd: The main drafters of this document: Song Shiyao, Li Jiwen, Jiang Liyan, Li Chengwei, and Wang Chuan: The previous versions of this document and the documents it replaces are as follows: ---First published as GB/T 3394-1982 in 1982, first revised in:1993; ---In the second revision in:2009, GB/T 3395-1993 "Determination of Trace Acetylene in Industrial Ethylene by Gas Chromatography" The contents of the Law (the previous versions of GB/T 3395-1993 are released as: GB/T 3395-1982); ---This is the third revision: Trace amounts of carbon monoxide in industrial ethylene and propylene, Determination of carbon dioxide and acetylene gas chromatography Warning---This document is not intended to address all safety issues related to its use: It is the user's responsibility to take appropriate safety and health measures to ensure compliance with relevant national laws and regulations:1 ScopeThis document specifies the use of gas chromatography for the determination of trace amounts of carbon monoxide, carbon dioxide and acetylene in industrial ethylene and propylene: This document is applicable to the determination of carbon monoxide, carbon dioxide and acetylene with a content of not less than 0:5mL/m3 in ethylene and propylene:2 Normative reference documentsThe contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document: GB/T 3723 General Safety Principles for Sampling Industrial Chemical Products GB/T 8170 Numerical rounding rules and expression and determination of limit values GB/T 13289 Sampling method for liquid and gaseous ethylene for industrial use GB/T 13290 Liquid sampling method for propylene and butadiene for industrial use3 Terms and definitionsThere are no terms or definitions to be defined in this document:4 Determination of carbon monoxide and carbon dioxide4:1 Summary of methods Inject the gas (or liquid after vaporization) sample into the chromatograph through the sampling device and bring it into the packed column with carrier gas to make carbon monoxide and carbon dioxide Separated from other components, carbon monoxide and carbon dioxide are converted into methane through a catalytic hydrogenation column: Detected with a hydrogen flame ionization detector (FID), Record the chromatographic peaks of each impurity component and use the external standard method for quantification: The reaction principle of converting carbon monoxide and carbon dioxide into methane is as follows: CO 3H2 350℃~400℃ Ni catalyst→CH4 H2O CO2 4H2 350℃~400℃ Ni catalyst→CH4 2H2O 4:2 Reagents and materials Warning---The gas in 4:2 is a high-pressure compressed gas or an extremely flammable gas, so please pay attention to its safe use: 4:2:1 Carrier gas and auxiliary gas High-purity nitrogen, with a purity of not less than 99:999% (volume fraction), dried and purified through silica gel and 5A molecular sieves: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 3394-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 3394-2023_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 3394-2023_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 3394-2023_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+ countriesQuestion 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 3394-2023?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3394-2023 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. |
