GB/T 3780.26-2018 English PDF

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GB/T 3780.26-2018: Carbon black -- Part 26: Determination of carbon content in carbon black feedstock oils
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Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3780.26-2018	119	Add to Cart	3 days	Carbon black -- Part 26: Determination of carbon content in carbon black feedstock oils	Valid

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Basic data

Standard ID: GB/T 3780.26-2018 (GB/T3780.26-2018)
Description (Translated English): Carbon black -- Part 26: Determination of carbon content in carbon black feedstock oils
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G49
Classification of International Standard: 83.040.20
Word Count Estimation: 6,638
Date of Issue: 2018-09-17
Date of Implementation: 2019-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 3780.26-2018: Carbon black -- Part 26: Determination of carbon content in carbon black feedstock oils

---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.
Carbon black - Part 26.Determination of carbon content in carbon black feedstock oils ICS 83.040.20 G49 National Standards of People's Republic of China Carbon black part 26. carbon black raw material oil Determination of carbon content Carbonblack-Part 26. Determinationofcarboncontentin Published on.2018-09-17 Implementation of.2019-04-01 State market supervision and administration China National Standardization Administration issued

Foreword

GB/T 3780 "carbon black" is divided into the following parts. --- Part 1. Test method for iodine absorption; --- Part 2. Determination of oil absorption values; --- Part 4. Determination of the oil absorption value of compressed specimens; ---Part 5. Determination of specific surface area CTAB method; ---Part 6. Determination of color strength; --- Part 7. Determination of pH; --- Part 8. Determination of heating loss; --- Part 10. Determination of ash; --- Part 12. Inspection of impurities; --- Part 14. Determination of sulfur content; ---Part 15. Determination of light transmittance of toluene extracts; --- Part 17. Indirect measurement of particle size reflectance method; ---Part 18. Identification methods in natural rubber (NR); --- Part 21. Determination of sieve residue water rinse method; --- Part 22. Calculating process capability index using process control data; --- Part 23. Sampling and identification of fugitive carbon black or other environmental particles; --- Part 24. Determination of void volume; ---Part 25. Determination of carbon content; --- Part 26. Determination of carbon content in carbon black feedstocks. This part is the 26th part of GB/T 3780. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part was proposed by the China Petroleum and Chemical Industry Federation. This part is under the jurisdiction of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35). This section drafted by. Shandong Huadong Rubber Materials Co., Ltd., Hangzhou Zhongce Qingquan Industrial Co., Ltd., Zhonghao Heiyuan Chemical Research and Research Jiyuan Co., Ltd., Ningbo Detai Chemical Co., Ltd., Jiangxi Black Cat Carbon Black Co., Ltd., Shandong Nster Carbon Black Co., Ltd., Sichuan Li College of Engineering. The main drafters of this section. Wang Xiaoyan, Lai Linhua, Nie Suqing, Dai Chuanyin, Huang Xiyu, Lu Junying, Meng Qiaoling, Jin Yongzhong. Carbon black part 26. carbon black raw material oil Determination of carbon content Caution - Personnel using this section should have hands-on experience in formal laboratory work. This section does not point out all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.

1 Scope

This part of GB/T 3780 specifies the method for determining the carbon content of carbon black feedstock oil by instrument. This section applies to petroleum black materials from petroleum, coal and other fuels, residues, asphalt, reclaimed oil, etc., which are usually processed into liquids. oil. Its carbon content is usually 75% to 94%.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 4756 petroleum liquid manual sampling method GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values

3 Principle

The raw material oil was weighed by a combustion boat covered with a tungsten oxide accelerator, and the sample was placed in a tube furnace at 1350 ° C by a combustion boat, and the sample was empty. The carbon content is determined by complete combustion in gas or oxygen-enriched air. The carbon in the sample is completely oxidized to carbon dioxide. Air flow through the filling of magnesium perchlorate The trap, removes water vapor and particulates, and passes through the detection cell and is measured by an infrared (IR) absorption detector at the exact infrared spectral wavelength. Carbon dioxide concentration.

4 instruments

4.1 Analytical balance with a graduation value of 0.1 mg. 4.2 Carbon Analyzer. a) the combustion tube and the combustion boat, made of a suitable material (such as mullite, porcelain or zircon); b) the sample is adsorbed on the tungsten oxide promoter to control the burning rate; c) the sample is burned at 1350 ° C in air or oxygen-enriched air; d) the combustion gas is removed by a desiccant (anhydrous magnesium perchlorate) to remove water vapor; e) The detection system uses an infrared (IR) absorption detector to measure carbon dioxide, the wavelength of which has a linear response over the full range of possible concentrations. Note. Analyzers equipped with multiple element detectors (such as carbon and sulfur analyzers) are also suitable for this method.

5 reagents and materials

5.1 Magnesium perchlorate, analytically pure. ......

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