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Determination of 2, 6-ditertbutyl-p-cresol in jet fuels -- Differential pulse voltammetry
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GB/T 34102-2017
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Basic data | Standard ID | GB/T 34102-2017 (GB/T34102-2017) | | Description (Translated English) | Determination of 2, 6-ditertbutyl-p-cresol in jet fuels -- Differential pulse voltammetry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E31 | | Classification of International Standard | 75.160.20 | | Word Count Estimation | 10,142 | | Date of Issue | 2017-07-31 | | Date of Implementation | 2018-02-01 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China |
GB/T 34102-2017: Determination of 2, 6-ditertbutyl-p-cresol in jet fuels -- Differential pulse voltammetry ---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 2, 6-ditertbutyl-p-cresol in jet fuels - Differential pulse voltammetry
ICS 75.160.20
E31
National Standards of People's Republic of China
2,6-di-tert-butyl-p-cresol in jet fuel
Determination of content - Differential pulse voltammetry
2017-07-31 Posted
2018-02-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard by the National Petroleum Products and Lubricants Standardization Technical Committee (SAC/TC280) and focal point.
This standard is drafted by. Logistics Engineering College of Chinese People's Liberation Army.
Participated in the drafting of this standard. People's Liberation Army Logistics Department Energy Bureau, PLA Air Force Institute of Oil, China
People's Liberation Army 5719 plant and China Petrochemical Co., Ltd. Zhenhai Refining & Chemical Branch.
The main drafters of this standard. Shi Yonggang, Xu Xian, Xue Yan, Li Yong, Zeng Wei Jun, Wen Hao, Jiang Yun Xuan, Fan Guoshi, Yang Xuan.
Introduction
Hydrocracking, hydrotreating and other processes to produce jet fuel, the need to add a certain concentration of 2,6-di-tert-butyl-p-cresol antioxidant to mention
High jet fuel storage stability and oxidation stability. 2,6-Di-tert-butyl-p-cresol antioxidant in jet fuel is fast, accurate and reliable
Determination of jet fuel production, quality evaluation and safe use of great significance.
2,6-di-tert-butyl-p-cresol in jet fuel
Determination of content - Differential pulse voltammetry
Warning --- personnel using this standard should have formal laboratory work experience. The use of this standard may involve some danger
Materials, equipment and operations, this standard does not indicate all possible safety issues. It is the user's responsibility to take appropriate safety and health measures
Shi, and ensure compliance with the conditions of the relevant state laws and regulations.
1 Scope
This standard specifies the use of differential pulse voltammetry jet fuel 2,6-di-tert-butyl-p-cresol antioxidant method.
This standard applies to 2,6-di-tert-butyl-p-cresol content of 8mg/L ~ 31mg/L of jet fuel.
This standard can also be used beyond the scope of jet fuel 2,6-di-tert-butyl-p-cresol determination, but the precision did not do inspection.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 4756 Petroleum liquids - Manual sampling method
Petroleum products - Test methods - Determination of precision data
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Voltammetry voltammetry
Electrochemical analysis based on the measurement of the current-voltage relationship (volt-ampere characteristic curve) during electrolysis using solid electrodes.
3.2
Differential pulse voltammetry differentialpulsevoltammetry
Using a solid electrode, a fixed voltage pulse with a smaller amplitude is periodically superimposed on a DC voltage linearly increasing with time to
Determination of electrolysis process before and after the addition of current difference between the voltage - voltage based electrochemical analysis.
3.3
Composite electrode compositeelectrode
An electrode that encapsulates a working electrode, an auxiliary electrode and a reference electrode on one electrode body.
4 Method summary
Jet fuel was added to a specific electrolyte solution, using the specified composite electrode, differential pulse voltammetry 2,6-di-tert-butyl-methyl
Determination of phenol antioxidants. Differential pulse voltammetry analysis, when the working electrode voltage is higher than the oxidation potential of the antioxidant, the antioxidant is oxygen
As a result, the anodic current increases, forming an oxidation voltammetric peak of the anode current with the change of the scanning voltage. Peak voltammetry peak current and solution resistance
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