1、Designation:D584214Manual of Petroleum Measurement Standards(MPMS)Chapter 8.4Standard Practice forSampling and Handling of Fuels for Volatility Measurement1This standard is issued under the fixed designation D5842;the number immediately following the designation indicates the year oforiginal adoptio
2、n 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 practice covers procedures and equipment forobtaining,mixing,and handling re
3、presentative samples ofvolatile fuels for the purpose of testing for compliance with thestandards set forth for volatility related measurements appli-cable to light fuels.The applicable dry vapor pressure equiva-lent range of this practice is 13 to 105 kPa(2 to 16 psia).1.2 This practice is applicab
4、le to the sampling,mixing,andhandling of reformulated fuels including those containingoxygenates.1.3 The values stated in SI units are to be regarded as thestandard except in some cases where drawings may showinch-pound measurements which are customary for that equip-ment.1.4 This standard does not
5、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.2.Referenced Documents2.1 ASTM Standards:2D40
6、57 Practice for Manual Sampling of Petroleum andPetroleum Products(API MPMS Chapter 8.1)D4177 Practice for Automatic Sampling of Petroleum andPetroleum Products(API MPMS Chapter 8.2)D5854 Practice for Mixing and Handling of Liquid Samplesof Petroleum and Petroleum Products(API MPMS Chap-ter 8.3)D771
7、7 Practice for Preparing Volumetric Blends of Dena-tured Fuel Ethanol and Gasoline Blendstocks for Labora-tory Analysis2.2 API Standards:3MPMS Chapter 8.1Practice for Manual Sampling of Pe-troleum and Petroleum Products(ASTM Practice D4057)MPMS Chapter 8.2Practice for Automatic Sampling ofPetroleum
8、and Petroleum Products(ASTM PracticeD4177)MPMS Chapter 8.3Practice for Mixing and Handling ofLiquid Samples of Petroleum and Petroleum Products(ASTM Practice D5854)3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 bottom sample,na sample obtained from the mate-rial at the bottom
9、of the tank,container,or line at its lowestpoint.3.1.1.1 DiscussionIn practice the term bottom sample hasa variety of meanings.As a result,it is recommended that theexact sampling location(for example,15 cm 6 in.from thebottom)should be specified when using this term.3.1.2 dead legs,nsections of pip
10、e that,by design,do notallow for the flow of material through them.3.1.2.1 DiscussionDead legs are not suitable for obtainingrepresentative samples.3.1.3 relief lines,nsections of pipe that lead to a pressure/vacuum relief valve.3.1.3.1 DiscussionRelief lines are not suitable for obtain-ing represen
11、tative samples.3.1.4 stand pipes,nvertical sections of pipe or tubingextending from the gaging platform to near the bottom of tanksthat are equipped with external or internal floating roofs.Standpipes also may be found on ships and barges.3.1.4.1 DiscussionStand pipes which are not slotted orperfora
12、ted will not yield representative samples.Further infor-mation on proper stand pipe design is given in 6.4.3.1This practice is under the jurisdiction of ASTM Committee D02 on PetroleumProducts,Liquid Fuels,and Lubricants and the API Committee on PetroleumMeasurement,and is the direct responsibility
13、of Subcommittee D02.02.08/COMQon Sampling(API MPMS Chapter 8.0).This practice has been approved by thesponsoring committees and accepted by the Cooperating Societies in accordancewith established procedures.This practice was issued as a jointASTM-API standardin 1995.Current edition approved Jan.15,2
14、014.Published January 2014.Originallyapproved in 1995.Last previous edition approved in 2009 as D584204(2009).DOI:10.1520/D5842-14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information
15、,refer to the standards Document Summary page onthe ASTM website.3Available from American Petroleum Institute(API),1220 L.St.,NW,Washington,DC 20005-4070,http:/www.api.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,
16、West Conshohocken,PA 19428-2959.United States1 3.1.5 Other sample definitions are given in Practice D4057/API MPMS Chapter 8.1.4.Summary of Practice4.1 It is necessary that the samples be representative of thefuel in question.The basic principle of each sampling proce-dure involves obtaining a sample in such a manner and fromsuch locations in the tank or other container that the samplewill be representative of the fuel.A summary of the samplingprocedures and their application is presented in Tab
