GB/T 11060.1-2023 English PDFUS$379.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 11060.1-2023: Natural gas - Determination of sulfur compound - Part 1: Determination of hydrogen sulfide content by iodometric titration method Status: Valid GB/T 11060.1: Historical versions
Basic dataStandard ID: GB/T 11060.1-2023 (GB/T11060.1-2023)Description (Translated English): Natural gas - Determination of sulfur compound - Part 1: Determination of hydrogen sulfide content by iodometric titration method Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: E24 Classification of International Standard: 75.060 Word Count Estimation: 20,244 Date of Issue: 2023-05-23 Date of Implementation: 2023-09-01 Older Standard (superseded by this standard): GB/T 11060.1-2010 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 11060.1-2023: Natural gas - Determination of sulfur compound - Part 1: Determination of hydrogen sulfide content by iodometric titration 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 11060:1-2010 Determination of sulfur compounds in natural gas Part 1: Determination of hydrogen sulfide content by iodometric method Released on 2023-05-23 2023-09-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee table of contentsPreface III Introduction V 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Principle 1 5 Reagents and materials 1 6 Instrument 3 7 Test Step 5 7:1 General requirements 5 7:2 Sampling and absorption 6 7:3 Titration 8 8 Experimental data processing 8 8:1 Calculation of gas sample correction volume 8 8:2 Calculation of hydrogen sulfide content 9 9 Precision 9 9:1 Repeatability 9 9:2 Reproducibility 10 Appendix A (Normative) Determination of Quantitative Tube Volume 11 A:1 Determination step 11 A:2 Calculation 11 Appendix B (Normative) Rapid Determination Method for Hydrogen Sulfide Content in Natural Gas 12 B:1 Overview 12 B:2 Test step 12 B:3 Test data processing 13 B:4 Precision13 Figure 1 Schematic diagram of quantitative tube 3 Figure 2 Schematic diagram of diluter 3 Fig:3 Schematic diagram of absorber Ⅰ 4 Fig:4 Schematic diagram of absorber Ⅱ Figure 5 Schematic diagram of the absorber frame 5 Figure 6 Schematic diagram of an absorption device with a hydrogen sulfide content higher than 0:5%7 Figure 7 Schematic diagram of an absorption device with a hydrogen sulfide content not higher than 0:5% 8 Figure B:1 Schematic diagram of hydrogen sulfide absorption device 13 Table 1 Volume and size of quantitative tube3 Table 2 Sample Reference Amount Table 5 Table 3 Repeatability 9 Table 4 Reproducibility10 Table B:1 Sample dosage selection Table 12forewordThis 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 1 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 11060:1-2010 "Determination of sulfur compounds in natural gas - Part 1: Determination of hydrogen sulfide by iodometric method Content", compared with GB/T 11060:1-2010, except for structural adjustment and editorial changes, the main technical changes are as follows: a) The requirements for potassium dichromate have been changed (see 5:2, 4:2 of the:2010 edition); b) Changed the preparation method of sodium thiosulfate standard titration solution (see 5:24, 4:23:1 of the:2010 edition); c) Changed the weighing sample quality of potassium dichromate (see 5:24, 4:23:2 of the:2010 edition); d) Change the meaning of V1 and V2 in formula (1) (see 5:24, 4:23:2 of the:2010 edition); e) Deleted "iodine solution (5g/L)" and "sodium thiosulfate standard solution [c(Na2S2O3)=0:02mol/L]" (see the:2010 edition 4:21, 4:24, 7:2 and B:4:2); f) Changed the type and size of "absorber" (see 6:3, 5:3 of the:2010 edition); g) The capacity of the burette of "automatic titrator or brown burette" has been increased (see 6:6, 5:5 of the:2010 edition); h) Changed the requirements for barometric pressure gauges (see 6:8, 5:7 of the:2010 edition); i) Changed the "sample consumption and sampling flow rate" (see 7:1, 7:2:2 and B:2:2, 6:2, 7:1:2 and B:3:2 of the:2010 edition); j) Changed the reserved content of significant figures (see 8:2, 8:2 of the:2010 edition); k) Delete the measurement principle of the volume of the quantitative tube (see A:1 of the:2010 edition); l) The scope and principle of the rapid determination method for hydrogen sulfide content in natural gas are deleted (see B:1 and B:2 of the:2010 edition); m) Added an overview of the rapid determination method for hydrogen sulfide content in natural gas (see B:1); n) "Hydrogen sulfide absorption device" has been changed (see Figure B:1, Figure B:1 of the:2010 edition): 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 Co:, Ltd: Southwest Oil and Gas Field Branch Gas Transmission Management Office, Daqing Oilfield Design Institute Co:, Ltd:, China Petroleum International Pipeline Co:, Ltd:, China Petroleum and Natural Gas Co:, Ltd: Tarim Oilfield Branch, Southwest Petroleum University: The main drafters of this document: Tu Zhenquan, Luo Jiansheng, Du Shuang, Zeng Wenping, Lu Chun, Chang Honggang, Zhou Li, Tan Weiqun, Yuan Yundong, Tu Mengele, Ouyang Qinghua, Zhao Yulong, Wang Huaqing, Xu Chong, Zhang Siqi, Nie Chongbin, You Jing, Tong Yuanhui: This document was first released in 1989, revised for the first time in:1998, revised for the second time in:2010, 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 1: Determination of hydrogen sulfide content by iodometric 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 and protection measures, and clearly define the scope of application:1 ScopeThis document specifies the principle, reagents and materials, instruments, test procedures, and test data processing for the determination of hydrogen sulfide content in natural gas by iodometric method: rationale and precision: This document applies to the determination of hydrogen sulfide content in natural gas, measurement range: 0% ~ 100%: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 Vocabulary SY/T 6277 Specifications for Personal Protection in Hydrogen Sulfide Environment3 Terms and DefinitionsThe terms and definitions defined in GB/T 20604 apply to this document:4 principlesAbsorb the hydrogen sulfide in the gas sample with excess zinc acetate solution to generate zinc sulfide precipitate: Add excess iodine solution to oxidize the sulfur formed Zinc chloride, and the remaining iodine was titrated with sodium thiosulfate standard solution: Calculate the hydrogen sulfide content according to the consumption of sodium thiosulfate standard solution: H2S Zn(Ac)2→ZnS 2HAc ZnS(solid)→Zn2 S2- S2-I2→2I-S I2 2S2O2-3 → 2I-S4O2-65 Reagents and materialsUnless otherwise specified, use only analytical grade reagents: 5:1 Water: Class III in GB/T 6682: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 11060.1-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 11060.1-2023_English as soon as possible, and keep you informed of the progress. 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