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Timestamp: 2019-12-14 18:12:48
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[PDF] GB/T 11060.3-2018 ...English
GB/T 11060.3-2018
Chinese Standard: 'GB/T 11060.3-2018'
GB/T 11060.3-2018 English 169 Add to Cart Days<=3 Natural gas - Determination of sulfur compound - Part 3: Determination of hydrogen sulfide content by lead acetate reaction rate dual photo path method Valid GB/T 11060.3-2018
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Detail Information of GB/T 11060.3-2018; GB/T11060.3-2018
Description (Translated English): Natural gas - Determination of sulfur compound - Part 3: Determination of hydrogen sulfide content by lead acetate reaction rate dual photo path method
Classification of Chinese Standard: E24
Classification of International Standard: 75.060
Older Standard (superseded by this standard): GB/T 11060.3-2010
Drafting Organization: China National Petroleum Corporation Southwest Oil and Gas Field Branch Natural Gas Research Institute, China National Petroleum Corporation Daqing Oilfield Engineering Co., Ltd., China National Petroleum Corporation Southwest Oil and Gas Field Branch Gas Transmission Management Office, Central Asia Pipeline Co., Ltd.
Administrative Organization: National Natural Gas Standardization Technical Committee (SAC/TC 244)
Natural gas - Determination of sulfur compound - Part 3. Determination of hydrogen sulfide content by lead acetate reaction rate dual photo path method
Replace GB/T 11060.3-2010
Determination of sulfur compounds in natural gas
Part 3. Double optical path with lead acetate reaction rate
Determination of hydrogen sulfide content by detection
Naturalgas-Determinationofsulfurcompound-
Part 3.Determinationofhydrogensulfidecontentbyleadacetate
Reactionratedualphotopathmethod
3 Principle of the method 1
6 Test preparation 3
7 Sampling and sample determination 3
8 representation of the result 3
9 precision 4
10 Quality Assurance and Control 4
GB/T 11060 "Determination of sulfur compounds in natural gas" is divided into the following 12 parts.
--- Part 1. Determination of hydrogen sulfide content by iodometric method;
--- Part 2. Determination of hydrogen sulfide content by methylene blue method;
--- Part 3. Determination of hydrogen sulfide content by lead light stripping rate double light path detection method;
--- Part 5. Determination of total sulfur content by hydrogenolysis-rate meter colorimetry.
--- Part 6. Determination of hydrogen sulfide, mercaptan sulfur and sulfur oxides by potentiometry;
--- Part 7. Determination of total sulfur content by Ringerna combustion method 1);
1) Part 7 of GB/T 11060 has been discontinued.
--- Part 8. Determination of total sulfur content by ultraviolet fluorescence spectrophotometry;
--- Part 9. Determination of thiol sulfur content by iodometric method;
--- Part 10. Determination of sulfur compounds by gas chromatography;
--- Part 11. Determination of hydrogen sulfide content by the color length test tube method;
This part is the third part of GB/T 11060.
This part replaces GB/T 11060.3-2010 "Determination of sulfur compounds in natural gas - Part 3.
Determination of hydrogen sulfide content by optical path detection method. Compared with GB/T 11060.3-2010, the main technical changes except editorial changes are as follows.
---In the scope chapter, added "applicable to landfill gas, sewage treatment gas, recycle gas, combustion gas and fuel gas mixture
Determination of hydrogen sulfide (H2S) content. Can also be used to determine the hydrogen sulfide content of carbon dioxide" (see Chapter 1);
--- Revised the "method of principle" statement (see Chapter 3);
--- Removed the "meaning and application" chapter (see Chapter 4 of the.2010 edition);
---In the "Reagents and Materials" chapter, added nitrogen and requirements (see 4.2);
--- In the "Reagents and Materials" chapter, the requirements for hydrogen sulfide standard gas were modified (see 4.3, 6.2 of.2010 edition);
---In the chapter "Instruments and Equipment", the volumetric metering device and requirements were removed (5.1 of.2010 edition);
--- In the "Instruments and Equipment" chapter, the requirements for sample pumps, colorimetric meters with sensors, and recorders have been modified (see 5.1, 5.2).
And 5.3,.2010 editions 5.2, 5.3 and 5.4);
--- Removed the "Sampling", "Preparation of the Instrument", "Calibration" and "Measurement Procedures for Samples" chapter (see Chapter 7, Chapter 8, Chapter.2010)
Chapters 9 and 10);
--- Added "test preparation" and "sampling and sample determination" chapters (see Chapters 6 and 7);
--- Removed the "Preparation of Reference Standard Samples" chapter (see Chapter 11 of the.2010 edition);
--- Modified the calculation method (see 8.1,.2010 version 12.1);
--- Added "Quality Assurance and Control" chapter (see Chapter 10).
This part is under the jurisdiction of the National Natural Gas Standardization Technical Committee (SAC/TC244).
This section was drafted. China National Petroleum Corporation Southwest Oil and Gas Field Branch Natural Gas Research Institute, China Oil and Gas
Daqing Oilfield Engineering Co., Ltd., China National Petroleum and Natural Gas Co., Ltd. Southwest Gas and Oil Field Branch Gas Transmission Management Office,
Asia Pipeline Co., Ltd.
The main drafters of this section. Tu Zhenquan, Li Feixue, Hou Xuezhi, Wang Yujie, Gao Lixin, Yang Jianming, Zhou Li, Luo Qin, Wang Huaqing, Xu Wenxiao,
Liu Hong, Xu Chong, Li Ke, Fu Wei.
---GB/T 18605.1-2001;
---GB/T 11060.3-2010.
This part of GB/T 11060 specifies the test method for the determination of hydrogen sulfide in natural gas by the lead acetate reaction rate method.
This section applies to the determination of hydrogen sulfide (H2S) content in natural gas. The measurement range is 0.1×10-6~16×10-6(φ), which is about equivalent.
It is from 0.1 mg/m3 to 22 mg/m3; and the measurement range can be extended to a higher concentration by dilution.
This section also applies to liquefied petroleum gas (LPG), natural gas substitutes, landfill gas, sewage treatment gas, recycle gas, combustion gas and
Determination of hydrogen sulfide content in a fuel gas mixture. It can also be used to determine the hydrogen sulfide content in carbon dioxide.
This section does not cover all security issues related to its application. Before using this section, the user is responsible for setting the appropriate security and
Protection measures and clarify the scope of their limitations.
GB/T 13609 Natural Gas Sampling Guidelines
After the gas sample is humidified at a constant flow rate, it flows through the lead acetate paper strip, and hydrogen sulfide reacts with lead acetate to form lead sulfide, which produces brown on the paper strip.
Black spots. The rate of reaction and the rate of color change produced are proportional to the concentration of hydrogen sulfide in the sample. Photodetector detection reaction
The black spot of lead sulfide is formed, and the generated voltage signal is processed by the first derivative to obtain a response value, which is passed through with the known hydrogen sulfide standard gas.
The value of hydrogen sulfide in the sample is determined by comparison.
Warning - Hydrogen sulfide in compressed gas cylinders is flammable, harmful or fatal to humans after inhalation and ingestion. Compressed air should be handled in a well ventilated position
Bottle and away from sparks and open flames. Improper handling of compressed gas cylinders filled with air, nitrogen or hydrocarbons can cause an explosion. Rapid release of nitrogen or hydrocarbon
It can cause suffocation and compressed air to support combustion.
4.1 Acetic acid solution (5%). A volume of glacial acetic acid was mixed with 19 volumes of distilled water to prepare a 5% acetic acid solution. Distilled water should meet
Technical requirements for secondary water as specified in GB/T 6682.
4.2 Nitrogen. The purity is not less than 99.99% (φ).
4.3 Hydrogen sulfide standard gas. hydrogen sulfide standard gas in methane or nitrogen, or hydrogen sulfide of the same or similar type as the gas to be analyzed.
Standard gas, national secondary gas reference material. Bottled standard gas pressure reducing valves should be suitable for sulfur-containing gases, and their joints should be passivated with sulfur-containing gases.
Related standard: GB/T 11060.4-2017 GB/T 11060.10-2014