1、Designation:D771711(Reapproved 2021)Standard Practice forPreparing Volumetric Blends of Denatured Fuel Ethanol andGasoline Blendstocks for Laboratory Analysis1This standard is issued under the fixed designation D7717;the number immediately following the designation indicates the year oforiginal adop
2、tion 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.Scope1.1 This practice covers and provides instructions on mak-ing a volumetric blend of
3、 denatured fuel ethanol with gasolineblendstocks,such as a reformulated gasoline blendstock foroxygenate blending(RBOB)or a conventional gasoline blend-stock for oxygenate blending(CBOB).1.2 This practice does not preclude the use of automatedvolumetric blending systems.1.3 The values stated in SI u
4、nits are to be regarded asstandard.No other units of measurement are included in thisstandard.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 enviro
5、nmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 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 Standard
6、s,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D4806 Specification for Denatured Fuel Ethanol for Blend-ing with Gasolines for Use as Automotive Spark-IgnitionEngine FuelD4814 Specification for A
7、utomotive Spark-Ignition EngineFuelD4815 Test Method for Determination of MTBE,ETBE,TAME,DIPE,tertiary-Amyl Alcohol and C1to C4Alco-hols in Gasoline by Gas ChromatographyD5501 Test Method for Determination of Ethanol andMethanol Content in Fuels Containing Greater than 20%Ethanol by Gas Chromatograp
8、hyD5599 Test Method for Determination of Oxygenates inGasoline by Gas Chromatography and Oxygen SelectiveFlame Ionization Detection2.2 Federal Standard:3CFR 40.80 Title 40 Protection of Environment,Chapter1Environmental Protection Agency(continued),Part80Regulation of Fuels and FuelAdditives,Subpart
9、 DReformulated Gasoline3.Terminology3.1 Definitions:3.1.1 denaturants,nmaterials added to ethanol to make itunsuitable for beverage use under a formula approved by aregulatory agency to prevent the imposition of beveragealcohol tax.D48063.1.2 denatured fuel ethanol,nfuel ethanol made unfit forbevera
10、ge use by the addition of denaturants under formula(s)approved by the applicable regulatory agency to prevent theimposition of beverage alcohol tax.D48063.1.3 gasoline,nvolatile mixture of liquid hydrocarbons,generally containing small amounts of additives,suitable foruse as a fuel in spark-ignition
11、,internal combustion engines.D48143.1.4 gasoline-alcohol blend,nfuel consisting primarilyof gasoline along with a substantial amount(more than 0.35%by mass oxygen or more than 0.15%by mass oxygen ifmethanol is the only oxygenate)of one or more alcohols.D48143.2 Abbreviations:3.2.1 CBOBconventional g
12、asoline blendstock for oxygen-ate blending.3.2.2 RBOBreformulated gasoline blendstock for oxygen-ate blending.1This practice is under the jurisdiction of ASTM Committee D02 on PetroleumProducts,Liquid Fuels,and Lubricants and is the direct responsibility of Subcom-mittee D02.04.0A on Preparation of
13、Standard Hydrocarbon Blends.Current edition approved Oct.1,2021.Published November 2021.Originallyapproved in 2011.Last previous edition approved in 2017 as D7717 11(2017).DOI:10.1520/D7717-11R21.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at se
14、rviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.Copyright ASTM
15、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,G
16、uides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.14.Summary of Practice4.1 Aspecific measured volume of denatured fuel ethanol isblended with a gasoline blendstock to achieve a final blend ofa predetermined percentage of denatured fuel ethanol.Theblend shall be prepared with all components and apparatuschilled.The total volume of the blend prepared is dependentupon the volume needed to complete required testing.5.Significance and Use5.1 T