ASTM D7547-2011 2037 Standard Specification for Unleaded Aviation Gasoline《无铅航空汽油的标准规范》.pdf
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1、Designation: D7547 11An American National StandardStandard Specification forUnleaded Aviation Gasoline1This standard is issued under the fixed designation D7547; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revi
2、sion. 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 formulating specifications forpurchases of aviation gasoline under contract and is intendedprimarily
3、 for use by purchasing agencies.1.2 This specification defines a specific type of aviationgasoline, containing no lead. It does not include all gasolinessatisfactory for reciprocating aviation engines. Certain equip-ment or conditions of use may permit a wider, or require anarrower, range of charact
4、eristics than is shown by thisspecification.1.3 This specification, unless otherwise provided, prescribesthe required properties of unleaded aviation gasoline at thetime and place of delivery.1.4 The values stated in SI units are to be regarded asstandard. No other units of measurement are included
5、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 and health practices and determine the applica-bility of regulatory limitations prior to use
6、.2. Referenced Documents2.1 ASTM Standards:2D86 Test Method for Distillation of Petroleum Products atAtmospheric PressureD130 Test Method for Corrosiveness to Copper from Pe-troleum Products by Copper Strip TestD323 Test Method for Vapor Pressure of Petroleum Prod-ucts (Reid Method)D873 Test Method
7、for Oxidation Stability of Aviation Fuels(Potential Residue Method)D1094 Test Method for Water Reaction of Aviation FuelsD1298 Test Method for Density, Relative Density (SpecificGravity), or API Gravity of Crude Petroleum and LiquidPetroleum Products by Hydrometer MethodD2386 Test Method for Freezin
8、g Point of Aviation FuelsD2622 Test Method for Sulfur in Petroleum Products byWavelength Dispersive X-ray Fluorescence SpectrometryD2624 Test Methods for Electrical Conductivity ofAviationand Distillate FuelsD2700 Test Method for Motor Octane Number of Spark-Ignition Engine FuelD3338 Test Method for
9、 Estimation of Net Heat of Combus-tion of Aviation FuelsD4052 Test Method for Density, Relative Density, and APIGravity of Liquids by Digital Density MeterD4057 Practice for Manual Sampling of Petroleum andPetroleum ProductsD4171 Specification for Fuel System Icing InhibitorsD4177 Practice for Autom
10、atic Sampling of Petroleum andPetroleum ProductsD4306 Practice for Aviation Fuel Sample Containers forTests Affected by Trace ContaminationD4529 Test Method for Estimation of Net Heat of Combus-tion of Aviation FuelsD4809 Test Method for Heat of Combustion of LiquidHydrocarbon Fuels by Bomb Calorime
11、ter (PrecisionMethod)D4865 Guide for Generation and Dissipation of StaticElectricity in Petroleum Fuel SystemsD5006 Test Method for Measurement of Fuel System IcingInhibitors (Ether Type) in Aviation FuelsD5190 Test Method for Vapor Pressure of Petroleum Prod-ucts (Automatic Method)D5191 Test Method
12、 for Vapor Pressure of Petroleum Prod-ucts (Mini Method)D6469 Guide for Microbial Contamination in Fuels andFuel SystemsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications3. Terminology3.1 Definitions:1This specification is under the jurisdiction of AST
13、M Committee D02 onPetroleum Products and Lubricants and is the direct responsibility of SubcommitteeD02.J0.02 on Aviation Gasoline.Current edition approved Oct. 1, 2011. Published November 2011. Originallyapproved in 2009. Last previous edition approved in 2009 as D7547-09. DOI:10.1520/D7547-11.2For
14、 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.1*A Summary of Changes section appears at the end of this standar
15、d.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.2 unleaded aviation gasoline, ngasoline possessing spe-cific properties suitable for fueling aircraft powered by recip-rocating spark ignition engines, where lead is not intentionall
16、yadded for the purpose of enhancing octane performance.3.2.1 DiscussionPrincipal properties include volatilitylimits, stability, detonation-free performance in the engine forwhich it is intended, and suitability for low temperatureperformance.4. Classification4.1 One grade of unleaded aviation gasol
17、ine is provided,known as: Grade UL 91.NOTE 1Grade UL 91 is based on its octane number as measured byTest Method D2700 motor method.5. Materials and Manufacture5.1 Unleaded aviation gasoline, except as otherwise speci-fied in this specification, shall consist of blends of refinedhydrocarbons derived
18、from crude petroleum, natural gasoline,or blends, thereof, with synthetic hydrocarbons or aromatichydrocarbons, or both.5.2 AdditivesThese may be added to each grade of un-leaded aviation gasoline in the amount and of the compositionspecified in the following list of approved materials. Thequantitie
19、s and types shall be declared by the manufacturer.Additives added after the point of manufacture shall also bedeclared.5.2.1 AntioxidantsThe following oxidation inhibitors maybe added to the gasoline separately, or in combination, in totalconcentration not to exceed 12 mg of inhibitor (not including
20、weight of solvent) per litre of fuel.5.2.1.1 2,6-ditertiary butyl-4-methylphenol.5.2.1.2 2,4-dimethyl-6-tertiary butylphenol.5.2.1.3 2,6-ditertiary butylphenol.5.2.1.4 75 % minimum 2,6-ditertiary butylphenol plus 25 %maximum mixed tertiary and tritertiary butylphenols.5.2.1.5 75 % minimum di- and tr
21、i-isopropyl phenols plus 25% maximum di- and tri-tertiary butylphenols.5.2.1.6 72 % minimum 2,4-dimethyl-6-tertiary butylphenolplus 28 % maximum monomethyl and dimethyl tertiary butyl-phenols.5.2.1.7 N,N-di-isopropyl-para-phenylenediamine.5.2.1.8 N,N-di-secondary-butyl-para-phenylenediamine.5.2.2 Fu
22、el System Icing Inhibitor (FSII)One of the fol-lowing may be used:5.2.2.1 Isopropyl Alcohol (IPA, propan-2-ol), in accordancewith the requirements of Specification D4171 (Type II). Maybe used in concentrations recommended by the aircraft manu-facturer when required by the aircraft owner/operator.NOT
23、E 2Addition of isopropyl alcohol (IPA) can reduce knock ratingsbelow minimum specification values (see X1.2.3).35.2.2.2 Di-Ethylene Glycol Monomethyl Ether (Di-EGME),conforming to the requirements of Specification D4171 (TypeIII) may be used in concentrations of 0.10 to 0.15 volume %when required by
24、 the aircraft owner/operator.5.2.2.3 Test Method D5006 may be used to determine theconcentration of Di-EGME in aviation fuels.5.2.3 Electrical Conductivity AdditiveStadis 4504in con-centrations up to 3 mg/L is permitted. When loss of fuelconductivity necessitates retreatment with electrical conducti
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