1、Designation:D823521Standard Specification forEthyl Tertiary-Butyl Ether(ETBE)for Blending withGasolines for Use as Automotive Spark-Ignition EngineFuel1This standard is issued under the fixed designation D8235;the number immediately following the designation indicates the year oforiginal adoption or
2、,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 requirements for fuel gradeethyl tertiary-butyl ether(ETBE)
3、utilized as a blend componentat the 1%to 22%by volume for use as automotivespark-ignition engine fuel covered by Specifications D4814and D8076 as well as other automotive fuel applicationsinvolving ETBE.1.1.1 Other ETBE grades may be available for blending thatare not covered by this specification.S
4、pecification D7618 isalso available from ASTM International.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.3 The following applies to all specified limits in thisstandard:For purposes of determining conformance with theses
5、pecifications,an observed value or a calculated value shall berounded“to the nearest unit”in the last right-hand digit used inexpressing the specification limit,in accordance with therounding method of Practice E29.All digits expressed in thespecification limits are to be considered significant digi
6、ts.1.4 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
7、.5 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 T
8、rade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D130 Test Method for Corrosiveness to Copper from Petro-leum Products by Copper Strip TestD156 Test Method for Saybolt Color of Petroleum Products(Saybolt Chromometer Method)D381 Test Method for Gum Content in Fuels by Jet Evapo-rationD262
9、2 Test Method for Sulfur in Petroleum Products byWavelength Dispersive X-ray Fluorescence SpectrometryD3120 Test Method for Trace Quantities of Sulfur in LightLiquid Petroleum Hydrocarbons by Oxidative Microcou-lometryD4057 Practice for Manual Sampling of Petroleum andPetroleum ProductsD4175 Termino
10、logy Relating to Petroleum Products,LiquidFuels,and LubricantsD4177 Practice for Automatic Sampling of Petroleum andPetroleum ProductsD4306 Practice for Aviation Fuel Sample Containers forTests Affected by Trace ContaminationD4806 Specification for Denatured Fuel Ethanol for Blend-ing with Gasolines
11、 for Use as Automotive Spark-IgnitionEngine FuelD4814 Specification for Automotive Spark-Ignition EngineFuelD5453 Test Method for Determination of Total Sulfur inLight Hydrocarbons,Spark Ignition Engine Fuel,DieselEngine Fuel,and Engine Oil by Ultraviolet FluorescenceD5854 Practice for Mixing and Ha
12、ndling of Liquid Samplesof Petroleum and Petroleum ProductsD5983 Specification for Methyl Tertiary-Butyl Ether(MTBE)for Blending With Gasolines for Use as Auto-motive Spark-Ignition Engine Fuel1This specification is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and L
13、ubricants and is the direct responsibility ofSubcommittee D02.A0.02 on Oxygenated Fuels and Components.Current edition approved July 1,2021.Published July 2021.Originally approvedin 2018.Last previous edition approved in 2019 as D8235 19.DOI:10.1520/D8235-21.2For referenced ASTM standards,visit the
14、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 Harb
15、or 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 i
16、ssued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1D6304 Test Method for Determination of Water in Petro-leum Products,Lubricating Oils,and Additives by Cou-lometric Karl Fischer TitrationD7039 Test Method for Sulfur in Gasoline,Diesel Fuel,JetFuel,Kerosine,Biodiesel,BiodieselBlends,andGasoline-Ethanol Blends by Monochromatic WavelengthDispersive X-ray Fluorescence SpectrometryD7618 Specification for Ethyl Tertiary-Butyl Ether(ETBE)for Blending with Aviation Spark-I
