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GB/T 38056-2019: Determination of hydrogen sulfide and hydrogen polysulfide in liquid sulphur - Fourier transform infrared spectroscopy
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| GB/T 38056-2019 | English | 119 |
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Determination of hydrogen sulfide and hydrogen polysulfide in liquid sulphur - Fourier transform infrared spectroscopy
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GB/T 38056-2019
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Basic data | Standard ID | GB/T 38056-2019 (GB/T38056-2019) | | Description (Translated English) | Determination of hydrogen sulfide and hydrogen polysulfide in liquid sulphur - Fourier transform infrared spectroscopy | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G13 | | Classification of International Standard | 71.040.50 | | Word Count Estimation | 6,640 | | Date of Issue | 2019-10-18 | | Date of Implementation | 2020-09-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38056-2019: Determination of hydrogen sulfide and hydrogen polysulfide in liquid sulphur - Fourier transform infrared spectroscopy
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Determination of hydrogen sulfide and hydrogen polysulfide in liquid sulphur--Fourier transform infrared spectroscopy
ICS 71.040.50
G13
National Standards of People's Republic of China
Determination of hydrogen sulfide and hydrogen sulfide in liquid sulfur
Fourier transform infrared spectroscopy
Published on.2019-10-18
2020-09-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Petroleum and Chemical Industry Federation.
This standard is under the jurisdiction of the National Chemical Standardization Technical Committee (SAC/TC63).
This standard was drafted. Sinopec Nanjing Chemical Research Institute Co., Ltd., China National Petroleum Corporation, Southwest Oil and Gas Fields
Sichuan Northeast Foreign Cooperation Sales Department, Tongling Tongguan Shenhong Chemical Co., Ltd., Beijing Luneng Environmental Engineering Co., Ltd., Shandong Province Products
Quality Inspection Institute, Sinopec Co., Ltd. Zhongyuan Oilfield Puguang Branch, China Petroleum & Chemical Corporation Zhenhai Refining & Chemical Co., Ltd.
the company.
The main drafters of this standard. Feng Junting, Li Wenlong, Qiu Ailing, Zhu Shiyin, Fule, Xia Pandeng, Tang Yan, Xu Xu, Zou Huiling, Dai Zhengliang,
Wang Zhenyue, Zhao Fan, Jia Wei.
Determination of hydrogen sulfide and hydrogen sulfide in liquid sulfur
Fourier transform infrared spectroscopy
Caution - Personnel using this standard should have practical experience in formal laboratory work. This standard does not indicate 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 standard specifies the method for the determination of hydrogen sulfide and hydrogen sulfide in liquid sulfur---Fourier transform infrared spectroscopy.
This standard applies to the quantitative determination of hydrogen sulfide and hydrogen sulfide in liquid sulfur. The total hydrogen sulfide mass fraction measured is in the range of
5 μg/g ~ 500 μg/g.
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 21186 Fourier transform infrared spectrometer
3 Principle
Based on the principle of Michelson's interference, the interference light passes through the sample cell after the beam splitter meets, and the interference light containing the sample information after passing through the sample
Arriving at the detector, and then processing the signal by Fourier transform to obtain an infrared absorption spectrum of transmittance or absorbance with wave number or wavelength
Figure, the light intensity is proportional to the concentration of hydrogen sulfide and hydrogen sulfide, and then determined by the calibration data and map of the spectrometer
The concentration of hydrogen sulfide and hydrogen sulfide.
4 instruments
Liquid Sulfur Hydrogen Sulfide Analyzer. Intrinsic calibration procedure with hydrogen sulfide and hydrogen sulfide concentration, liquid sulfur sample cell and heater Fourier
Transform the infrared spectrometer. The technical parameters of each software and hardware should meet the following requirements.
a) Intrinsic calibration procedure for hydrogen sulfide and hydrogen polysulfide concentrations. total hydrogen sulfide concentration ranges from 5 μg/g to 500 μg/g.
b) Sample cell. portable analysis room, made of corrosion-resistant and easy-to-clean metal material, equipped with KCl detection lens, heated plate
Heat and maintain 135 ° C ~ 145 ° C to ensure that the sulfur sample tested is liquid.
c) Sample cell electric preheater. tray heater, can control temperature 135 ° C ~ 150 ° C, temperature control accuracy ± 1 ° C.
d) Fourier transform infrared spectrometer. mainly composed of light source chamber, interferometer, sample cell, detector, interface and data processing system, instrument
The resolution and stability of the device are in accordance with GB/T 21186. The structure of the instrument is shown in Figure 1.
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