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GB/T 34273-2021 English PDF

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Q: Should I purchase the latest version GB/T 34273-2021?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 34273-2021 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$119.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 34273-2021: Standard test method for calculated cetane index of coal liquefaction diesel - Four variable equation
Status: Valid

GB/T 34273: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34273-2021	119	Add to Cart	3 days	Standard test method for calculated cetane index of coal liquefaction diesel - Four variable equation	Valid
GB/T 34273-2017	199	Add to Cart	3 days	Coal based Fisher-Tropsch synthesis -- Standard test method for calculated cetane index of distillate fuels -- Four variable equation	Obsolete

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Basic data

Standard ID: GB/T 34273-2021 (GB/T34273-2021)
Description (Translated English): Standard test method for calculated cetane index of coal liquefaction diesel - Four variable equation
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D20
Word Count Estimation: 5,522
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 34273-2021: Standard test method for calculated cetane index of coal liquefaction diesel - Four variable equation

---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.
Standard test method for calculated cetane index of coal liquefaction diesel -- Four variable equetion ICS 73:040 CCSD20 National Standards of People's Republic of China Replaces GB/T 34273-2017 Coal liquefied diesel cetane index calculation method four-variable formula Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

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 34273-2017 "Four-variable formula method for calculation of cetane index for coal-based Fischer-Tropsch synthetic distillate fuel", and Compared with GB/T 34273-2017, in addition to structural adjustment and editorial changes, the main technical content changes are as follows: a) changed the scope of the document (see Chapter 1, Chapter 1 of the:2017 edition); b) Added the calculation of the cetane index of coal direct liquefaction diesel (see 6:1:1); c) Added the calculation of cetane index for coal liquefaction blended diesel (see 6:1:3): Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Coal Industry Association: This document is under the jurisdiction of the National Standardization Technical Committee of Coal Chemical Industry (SAC/TC469): This document is drafted by: Zhongke Synthetic Oil Technology Co:, Ltd:, Shanxi Institute of Coal Chemistry, Chinese Academy of Sciences, Coal Science and Technology Research Institute Co:, Ltd:, China Shenhua Coal-to-Liquid Chemical Co:, Ltd:, Inner Mongolia Yitai Group Co:, Ltd:, and Lu'an Chemical Group Co:, Ltd: The main drafters of this document: Li Ying, Yang Yong, Ding Hua, Feng Yuyan, Zhao Yanli, Wen Xiaodong, Geng Chunyu, Li Haijun, Shi Yongsheng, Bai Xuemei, Dai Xiuchuan, Zhang Chunfeng, Zhang Min, Zhang Xiaojun: This document was first published in:2017 and this is the first revision: Coal liquefied diesel cetane index calculation method four-variable formula

1 Scope

This document specifies the cetane index of coal direct liquefied diesel, coal indirect liquefied diesel and coal liquefied blended diesel blended by the two: calculation method: This document is applicable to direct coal liquefied diesel, coal indirect liquefied diesel and coal liquefied blended diesel cetane index: calculate: Note: This document uses the term "hexadecane index" to mean "four-variable formula method cetane index":

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: GB/T 1884 Laboratory Determination of Density of Crude Oil and Liquid Petroleum Products (Densitometer Method) GB/T 6536 Determination of Atmospheric Distillation Characteristics of Petroleum Products SH/T 0604 Determination of Density of Crude Oil and Petroleum Products (U-Shaped Vibrating Tube Method)

3 Terms and Definitions

There are no terms and definitions that need to be defined in this document:

4 Principles of the method

The density of the samples at 15°C and the 10%, 50% and 90% recovery temperatures were determined according to standard test methods: Use the measured number of trials According to the given formula, calculate the cetane index of the sample:

5 Test steps

5:1 According to the operation steps of GB/T 1884 (or SH/T 0604), measure the density of the sample at 15℃, accurate to 0:0005g/cm3: 5:2 According to the operation steps of GB/T 6536, measure the 10%, 50% and 90% recovery temperature of the sample under standard atmospheric pressure, and the accuracy is to 1°C: ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 34273-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 34273-2021_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 34273-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 34273-2021_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 34273-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 34273-2021 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.