GB/T 11060.2-2023 English PDFUS$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 11060.2-2023: Natural gas - Determination of sulfur compound - Part 2: Determination of hydrogen sulfide content by methylene blue method Status: Valid GB/T 11060.2: Historical versions
Basic dataStandard ID: GB/T 11060.2-2023 (GB/T11060.2-2023)Description (Translated English): Natural gas - Determination of sulfur compound - Part 2: Determination of hydrogen sulfide content by methylene blue method Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: E24 Classification of International Standard: 75.060 Word Count Estimation: 12,124 Date of Issue: 2023-05-23 Date of Implementation: 2023-09-01 Older Standard (superseded by this standard): GB/T 11060.2-2008 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 11060.2-2023: Natural gas - Determination of sulfur compound - Part 2: Determination of hydrogen sulfide content by methylene blue method---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. ICS 75:060 CCSE24 National Standards of People's Republic of China Replace GB/T 11060:2-2008 Determination of sulfur compounds in natural gas Part 2: Determination of hydrogen sulfide content by the methylene blue method Released on 2023-05-23 2023-09-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee forewordThis 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 2 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: This document replaces GB/T 11060:2-2008 "Determination of sulfur compounds in natural gas - Part 2: Determination of sulfide by methylene blue method Hydrogen content", compared with GB/T 11060:2-2008, except for structural adjustment and editorial changes, the main technical changes are as follows: a) The requirements for potassium dichromate have been changed (see 5:5, 4:5 of the:2008 edition); b) Added "anhydrous sodium thiosulfate" (see 5:7); c) Added "sodium hydroxide" (see 5:16); d) Changed the preparation method of sodium thiosulfate standard stock solution (see 5:28, 4:25:1 of the:2008 edition); e) Changed the weighing sample quality of potassium dichromate (see 5:28, 4:25:2 of the:2008 edition); f) Changed the meanings of V1 and V2 in formula (1) (see 5:28, 4:25:2 of the:2008 edition); g) Changed the requirements for barometric pressure gauges (see 6:8, 5:8 of the:2008 edition); h) The mass of sodium sulfide crystals weighed for the preparation of sodium sulfide solution has been changed (see 7:1:1:1, 6:1:1:1 of the:2008 edition); i) Added method reproducibility requirements (see 10:2): 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 under the jurisdiction of the National Natural Gas Standardization Technical Committee (SAC/TC244): This document was drafted by: China National Petroleum Corporation Southwest Oil and Gas Field Branch Natural Gas Research Institute, China Petrochemical Corporation Co:, Ltd: Natural Gas Yuji Pipeline Branch Company, PetroChina Southwest Oil and Gas Field Branch Company Gas Transmission Management Office, Daqing Oilfield Design Institute Co:, Ltd:, PetroChina Tarim Oilfield Branch, Southwest Petroleum University: The main drafters of this document: Tu Zhenquan, Luo Jiansheng, Lu Chun, Lin Min, Wang Xiaoqiang, Tan Weiqun, Zeng Wenping, Chang Honggang, Zhou Li, Yang Qian, Jiang Chen, Zhao Yulong, Zhang Siqi, Ouyang Qinghua, Zhou Sheng, Tu Mengele: This document was first released in 1989, revised for the first time in:1998, revised for the second time in:2008, and this is the third revision:IntroductionSulfur 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: Determination of sulfur compounds in natural gas Part 2: Determination of hydrogen sulfide content by the methylene blue 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 establish appropriate safety Safety and protection measures, and clearly define the scope of application:1 ScopeThis document specifies the principle, reagents and materials, instruments, standard curve drawing, test Experimental procedure, experimental data processing and precision: This document is applicable to the determination of hydrogen sulfide content in natural gas, the determination range: 0mg/m3~23mg/m3:2 Normative referencesThe 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: Preparation of GB/T 601 Chemical Reagent Standard Titration Solution GB/T 6682 Analytical laboratory water specifications and test methods GB/T 13609 Natural Gas Sampling Guidelines GB/T 20604 Natural Gas Vocabulary3 Terms and DefinitionsThe terms and definitions defined in GB/T 20604 apply to this document:4 principlesUse zinc acetate solution to absorb hydrogen sulfide in natural gas samples (hereinafter referred to as gas samples) to generate zinc sulfide: Neutralize ferric iron in acidic medium In the presence of ions, zinc sulfide reacts with N,N-dimethyl-p-phenylenediamine to form methylene blue: By measuring the absorbance of the solution with a spectrophotometer Method for the determination of methylene blue produced: The hydrogen sulfide content was calculated from the absorbance according to the Lambert-Beer law: H2S Zn(Ac)2 → ZnS 2HAc ZnS(Solid) →Zn2 S2- S2- 2H → H2S ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 11060.2-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 11060.2-2023_English as soon as possible, and keep you informed of the progress. 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