ASTM_D_8076_-_21b.pdf

Designation:D807621bStandard Specification for100 Research Octane Number Test Fuel for AutomotiveSpark-Ignition Engines1This standard is issued under the fixed designation D8076;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*1.1 This specification covers the requirements of a highoctane number test fuel suitable for spark-ignition engines tobe utilized in ground vehicles that will require 100 researchoctane number(RON)minimum rated fuel.1.1.1 The fuels described by this specification are intendedfor developing technologies that lead to reduced vehicle energyconsumption,such as higher compression ratio,higher powerdensity,increased turbocharger boost pressure,smaller sweptdisplacement volume,and operation at lower engine speeds.1.1.2 The fuels described in this test fuel specification maynot meet all of the performance or regulatory requirements foruse in vehicles using commercial gasoline.1.2 The fuels covered in this specification may containoxygenates,such as alcohols and ethers,up to 50%by volume.This specification covers fuels that may contain both fossil andbio-derived components.1.3 This specification provides a description of high RONtest fuel for automotive spark-ignition engines that are notcurrently in the marketplace but are being developed andrequire a defined standard test fuel.The high RON fuel couldbecome available in the marketplace if/when such engines areintroduced in commerce.The specification is under continuousreview,which can result in revisions based on changes in fuel,automotive requirements,or test methods,or a combinationthereof.All users of this specification,therefore,should refer tothe latest edition.NOTE1If there is any doubt as to the latest edition of SpecificationD8076,contact ASTM International Headquarters.1.4 The values stated in SI units are the standard.1.4.1 ExceptionNon-SI values are provided for informa-tion only.U.S.federal regulations frequently specify non-SIunits.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.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:2D86 Test Method for Distillation of Petroleum Products andLiquid Fuels at Atmospheric PressureD130 Test Method for Corrosiveness to Copper from Petro-leum Products by Copper Strip TestD381 Test Method for Gum Content in Fuels by Jet Evapo-rationD525 Test Method for Oxidation Stability of Gasoline(In-duction Period Method)D1152 Specification for Methanol(Methyl Alcohol)(With-drawn 2021)3D1266 Test Method for Sulfur in Petroleum Products(LampMethod)D2622 Test Method for Sulfur in Petroleum Products byWavelength Dispersive X-ray Fluorescence SpectrometryD2699 Test Method for Research Octane Number of Spark-Ignition Engine FuelD2700 Test Method for Motor Octane Number of Spark-Ignition Engine FuelD3120 Test Method for Trace Quantities of Sulfur in LightLiquid Petroleum Hydrocarbons by Oxidative Microcou-lometryD3237 Test Method for Lead in Gasoline byAtomicAbsorp-tion SpectroscopyD3831 Test Method for Manganese in Gasoline By Atomic1This specification is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.A0.01 on Gasoline and Gasoline-Oxygenate Blends.Current edition approved Oct.1,2021.Published October 2021.Originallyapproved in 2017.Last pervious edition approved in 2021 as D8076 21a.DOI:10.1520/D8076-21B.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.3The last approved version of this historical standard is referenced onwww.astm.org.*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.1Absorption Spectroscop