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ASTM_D_8183_-_22.pdf
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TM_D_8183_ _22
Designation:D818322Standard Test Method forDetermination of Indicated Cetane Number(ICN)of DieselFuel Oils using a Constant Volume Combustion ChamberReference Fuels Calibration Method1This standard is issued under the fixed designation D8183;the number immediately following the designation indicates the year oforiginal adoption 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*1.1This test method covers the quantitative determinationof the indicated cetane number(ICN)of conventional dieselfuel oils,and diesel fuel oils containing cetane number im-prover additives;it is applicable to products typical of Speci-fication D975,Grades No.1-D and 2-D diesel fuel oils,European standard EN 590,and Canadian standards CAN/CGSB-3.517 and CAN/CGSB-3.520.The test method is alsoapplicable to biodiesel,blends of diesel fuel oils containingbiodiesel material(for example,materials as specified inSpecifications D975,D6751,D7467 and European standardsEN 14214,EN 16734,and EN 16709),diesel fuels fromnon-petroleum origin,hydrocarbon oils,diesel fuel oil blend-ing components,aviation turbine fuels,and polyoxymethylenedimethyl ether(OME).1.2 This test method utilizes a constant volume combustionchamber(CVCC)with direct fuel injection into heated com-pressed air.The apparatus is calibrated using blends of refer-ence fuels.ICN is determined directly from ignition delayusing an instrument specific reference fuel calibration curve.1.3 This test method and its precision cover the calibratedrange of 35 ICN to 85 ICN,inclusive.The analyzer canmeasure ICN outside the calibrated range,but the precision hasnot been determined.1.4 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.5 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-mine the applicability of regulatory limitations prior to use.Some specific hazards statements are given in Section 7 onHazards.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D613 Test Method for Cetane Number of Diesel Fuel OilD975 Specification for Diesel FuelD1193 Specification for Reagent WaterD3703 Test Method for Hydroperoxide Number of AviationTurbine Fuels,Gasoline and Diesel FuelsD4052 Test Method for Density,Relative Density,and APIGravity of Liquids by Digital Density MeterD4057 Practice for Manual Sampling of Petroleum andPetroleum ProductsD4175 Terminology Relating to Petroleum Products,LiquidFuels,and LubricantsD4177 Practice for Automatic Sampling of Petroleum andPetroleum ProductsD5854 Practice for Mixing and Handling of Liquid Samplesof Petroleum and Petroleum ProductsD6299 Practice for Applying Statistical Quality Assuranceand Control Charting Techniques to Evaluate AnalyticalMeasurement System PerformanceD6300 Practice for Determination of Precision and BiasData for Use in Test Methods for Petroleum Products,Liquid Fuels,and LubricantsD6708 Practice for Statistical Assessment and Improvementof Expected Agreement Between Two Test Methods thatPurport to Measure the Same Property of a MaterialD6751 Specification for Biodiesel Fuel Blend Stock(B100)for Middle Distillate FuelsD7467 Specification for Diesel Fuel Oil,Biodiesel Blend(B6 to B20)1This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.01 on Combustion Characteristics.Current edition approved July 1,2022.Published August 2022.Originallyapproved in 2018.Last previous edition approved in 2018 as D8183 18.DOI:10.1520/D8183-22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer 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 internationally 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.12.2 European Standards:3EN 590 Automotive fuelsDieselRequirements and testmethodsEN 1421

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