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GB/T 11060.13-2023: Natural gas - Determination of sulfur compound - Part 13: Determination of hydrogen sulfide content by ultraviolet absorption method
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Natural gas - Determination of sulfur compound - Part 13: Determination of hydrogen sulfide content by ultraviolet absorption method
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GB/T 11060.13-2023
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Basic data | Standard ID | GB/T 11060.13-2023 (GB/T11060.13-2023) | | Description (Translated English) | Natural gas - Determination of sulfur compound - Part 13: Determination of hydrogen sulfide content by ultraviolet absorption method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E24 | | Classification of International Standard | 75.060 | | Word Count Estimation | 8,810 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-09-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 11060.13-2023: Natural gas - Determination of sulfur compound - Part 13: Determination of hydrogen sulfide content by ultraviolet absorption method
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ICS 75:060
CCSE24
National Standards of People's Republic of China
Determination of sulfur compounds in natural gas
Part 13: Determination of hydrogen sulfide content by ultraviolet absorption method
Released on 2023-05-23
2023-09-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
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 for Standardization Documents"
drafting:
This document is part 13 of GB/T 11060 "Determination of Sulfur Compounds in Natural Gas": GB/T 11060 has issued the following
part:
--- Part 1: Determination of hydrogen sulfide content by iodometric method;
--- Part 2: Determination of hydrogen sulfide content by the methylene blue method;
--- Part 3: Determination of hydrogen sulfide content by double-light path detection method of lead acetate reaction rate;
--- Part 4: Determination of total sulfur content by oxidative microcoulometry;
--- Part 5: Determination of total sulfur content by hydrogenolysis-rate meter colorimetric method;
--- Part 6: Measuring the content of hydrogen sulfide, mercaptan sulfur and sulfur oxide carbon by potentiometric method;
--- Part 8: Determination of total sulfur content by ultraviolet fluorescence photometry;
--- Part 9: Determination of mercaptan sulfur content by iodometric method;
--- Part 10: Determination of sulfur compounds by gas chromatography;
--- Part 11: Determination of hydrogen sulfide content by coloring length detection tube method;
--- Part 12: Determination of hydrogen sulfide content by laser absorption spectroscopy;
--- Part 13: Determination of hydrogen sulfide content by ultraviolet absorption method:
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed and managed by the National Natural Gas Standardization Technical Committee (SAC/TC244):
This document was drafted by: PetroChina Southwest Oil and Gas Field Branch Natural Gas Research Institute, PetroChina
Gas Transmission Management Office of Southwest Oil and Gas Field Branch Company of Co:, Ltd:, Southwest Oil and Gas Field Branch Company of PetroChina Co:, Ltd:, Sinopec
Sichuan Northeast Operation Branch of Southwest Oil and Gas Field Branch of Oil and Gas Co:, Ltd:, Institute of Chemistry of China Academy of Testing Technology, China Petroleum Corporation
Petrochemical Co:, Ltd: Zhongyuan Oilfield Puguang Branch, National Petroleum Pipeline Network Group Co:, Ltd: West-East Gas Transmission Branch, PetroChina
International Pipeline Co:, Ltd:, China National Institute of Metrology, China National Petroleum Corporation North China Oilfield Branch, Pyle Experimental Equipment
Ltd:
The main drafters of this document: Chang Honggang, Shen Lin, Cai Li, Zhou Li, Ding Sijia, Huang Ling, Xie Yu, Wang Xiaoqin, Wen Shaomu, Chen Xuefeng, Lin Daming,
Cao Zhi, Gan Fengming, Qin Ji, Xu Wenxiao, Li Xiaohong, Luo Qin, Zhou Daibing, He Min, Ni Rui, Pan Yi, Hu Jian, Liu Hong, Ma Fan, Deng Fanfeng, Qiu Hui,
Wang Huaqing, Wu Hai, Zhang Yingxia, Zhu Xiaoping:
Introduction
Sulfur compounds in natural gas include hydrogen sulfide, mercaptans and other organic sulfur compounds: From the perspective of safety, environmental protection and pipeline and equipment corrosion
The content of sulfur compounds is an important quality indicator of natural gas:
The purpose of measuring the content of sulfur compounds:
--- Monitor gas quality;
--- Monitor the operation of gas treatment plants to remove sulfur compounds:
In view of the obvious differences in the properties of different sulfur compounds, the different detection accuracy and detection purposes, my country has released the total sulfur in natural gas, individual sulfur
GB/T 11060 "Determination of Sulfur-Containing Compounds in Natural Gas" to ensure that users can
It is required to choose the appropriate method and carry out the determination under the best conditions:
GB/T 11060 "Determination of Sulfur Compounds in Natural Gas" consists of the following 12 parts:
--- Part 1: Determination of hydrogen sulfide content by iodometric method;
--- Part 2: Determination of hydrogen sulfide content by the methylene blue method;
--- Part 3: Determination of hydrogen sulfide content by double-light path detection method of lead acetate reaction rate;
--- Part 4: Determination of total sulfur content by oxidative microcoulometry;
--- Part 5: Determination of total sulfur content by hydrogenolysis-rate meter colorimetric method;
--- Part 6: Measuring the content of hydrogen sulfide, mercaptan sulfur and sulfur oxide carbon by potentiometric method;
--- Part 8: Determination of total sulfur content by ultraviolet fluorescence photometry;
--- Part 9: Determination of mercaptan sulfur content by iodometric method;
--- Part 10: Determination of sulfur compounds by gas chromatography;
--- Part 11: Determination of hydrogen sulfide content by coloring length detection tube method;
--- Part 12: Determination of hydrogen sulfide content by laser absorption spectroscopy;
--- Part 13: Determination of hydrogen sulfide content by ultraviolet absorption method:
The ultraviolet absorption method has the advantages of fast response, on-site measurement, high accuracy and low maintenance, and is widely used in natural gas purification plants, long-term
Pipeline network and other production sites:
Determination of sulfur compounds in natural gas
Part 13: Determination of hydrogen sulfide content by ultraviolet absorption method
NOTE: This document does not address all safety issues related to its application: Before using this document, it is the user's responsibility to develop appropriate safety
Safety and protection measures, and clearly define the scope of application:
1 Scope
This document specifies the principle, reagents and materials, instruments, samples, test procedures,
Experimental data processing, precision:
This document is applicable to the online continuous detection of hydrogen sulfide content in natural gas, the measurement range: 0:1mg/m3~50mg/m3:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB/T 5274:1 Preparation of mixed gas for gas analysis and calibration Part 1: Preparation of primary mixed gas by weighing method
GB/T 10628 Gas Analysis Calibration Method for Determination and Calibration of Mixed Gas Composition
GB/T 20604 Natural Gas Vocabulary
GB/T 30490 Natural Gas Automatic Sampling Method
3 Terms and Definitions
The terms and definitions defined in GB/T 20604 apply to this document:
4 principles
4:1 After the ultraviolet light emitted by the light source is split by the grating or prism, it is absorbed by the natural gas sample and then projected onto the photomultiplier tube:
After conversion and amplification, hydrogen sulfide can be quantitatively analyzed from the drawn ultraviolet absorption spectrum, and the absorbance detected by the receiving unit is consistent with the measured gas:
The hydrogen sulfide content follows the Lambert-Beer law:
4:2 The fiber optic cable transmits the UV light from the pulsed light source to the flow cell, where a continuous natural gas sample interacts with the light within the optical path
Each component in natural gas has a specific optical response signal, absorbing different amounts of light at different wavelengths: UV light passes through
After the sample leaves the flow cell, it passes through an optical fiber to the spectrum analyzer, where a spectral holographic grating decomposes the ultraviolet light into continuous wavelengths and
Each decomposed wavelength is focused to a specific photodiode on the diode array, and is calculated according to the Lambert-Beer law through a built-in algorithm
hydrogen sulfide content:
5 Reagents and materials
5:1 Zero point gas: The volume fraction of methane or high-purity nitrogen is not less than 99:999%:
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