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ASTM_D_6021_-_22.pdf

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1、Designation:D602122Standard Test Method forMeasurement of Total Hydrogen Sulfide in Residual Fuelsby Multiple Headspace Extraction and Sulfur SpecificDetection1This standard is issued under the fixed designation D6021;the number immediately following the designation indicates the year oforiginal ado

2、ption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This test method covers a method suitable for measuringthe total amount of hy

3、drogen sulfide(H2S)in heavy distillates,heavy distillate/residual fuel blends,or residual fuels as definedin Specification D396 Grade 4,5(Light),5(Heavy),and 6,when the H2S concentration in the fuel is in the 0.01 g g(ppmw)to 100 gg(ppmw)range.1.2 The values stated in SI units are to be regarded ass

4、tandard.No other units of measurement are included in thisstandard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter

5、-mine the applicability of regulatory limitations prior to use.For specific warning statements,see 7.5,8.2,9.2,10.1.4,and11.1.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theD

6、evelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D396 Specification for Fuel OilsD1193 Specification for Reagent WaterD2420 Test Method for Hydrogen Sulfide in L

7、iquefiedPetroleum(LP)Gases(Lead Acetate Method)D3609 Practice for Calibration Techniques Using Perme-ation TubesD4057 Practice for Manual Sampling of Petroleum andPetroleum ProductsD4084 Test Method for Analysis of Hydrogen Sulfide inGaseous Fuels(Lead Acetate Reaction Rate Method)D4175 Terminology

8、Relating to Petroleum Products,LiquidFuels,and LubricantsD4323 Test Method for Hydrogen Sulfide in theAtmosphereby Rate of Change of ReflectanceD5504 Test Method for Determination of Sulfur Compoundsin Natural Gas and Gaseous Fuels by Gas Chromatogra-phy and ChemiluminescenceD5705 Test Method for Me

9、asurement of Hydrogen Sulfidein the Vapor Phase Above Residual Fuel OilsD7621 Test Method for Determination of Hydrogen Sulfidein Fuel Oils by Rapid Liquid Phase Extraction3.Terminology3.1 Definitions:3.1.1 For definitions of terms used in this test method,referto Terminology D4175.3.1.2 heavy disti

10、llate,na fuel produced from the distilla-tion of crude oil which has a kinematic viscosity at 40 Cbetween 5.5 mm2/s and 24.0 mm2/s,inclusive.3.1.3 heavy distillate/residual fuel blend,na blend ofheavy distillate and residual fuel oil having a viscosity at 40 Cbetween 5.5 mm2/s and 24.0 mm2/s,inclusi

11、ve.3.1.4 multiple headspace extraction,na technique to de-termine the total concentration of a gas trapped in a liquid byanalysis of successive gas extractions from the vapor space ofa closed vessel containing a known amount of the sample.3.1.5 residual fuel oil,nany liquid or liquefiable petro-leum

12、 product having a kinematic viscosity at 100 C between5.0 mm2/s and 50.0 mm2/s,inclusive,burned for the generationof heat in a furnace or firebox or for the generation of power inan engine.4.Summary of Test Method4.1 A representative sample of residual fuel oil is obtainedin sufficient quantity to c

13、ompletely fill the sample container.1This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.14 on Stability,Cleanliness and Compatibility of Liquid Fuels.Current edition approved April 1,20

14、22.Published May 2022.Originallyapproved in 1996.Last previous edition approved in 2017 as D6021 12(2017).DOI:10.1520/D6021-22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,ref

15、er to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with inter

16、nationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1The sample is taken to the laboratory preferably within one to4 h,within 24 h maximum and placed in a refrigerator until thehydrogen sulfide analysis can be run.At that time,the sampleis removed from the refrigerator and allowed to sit at ambienttempe

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