1、Designation:D659600(Reapproved 2016)Standard Practice forAmpulization and Storage of Gasoline and RelatedHydrocarbon Materials1This standard is issued under the fixed designation D6596;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,
2、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 a general guide for the ampuliza-tion and storage of gasoline and related hydrocarbon mixt
3、uresthat are to be used as calibration standards or referencematerials.This practice addresses materials,solutions,ormixtures,which may contain volatile components.This prac-tice is not intended to address the ampulization of highlyviscous liquids,materials that are solid at room temperature,ormater
4、ials that have high percentages of dissolved gases thatcannot be handled under reasonable cooling temperatures andat normal atmospheric pressure without losses of these volatilecomponents.1.2 This practice is applicable to automated ampule fillingand sealing machines as well as to manual ampule fill
5、ingdevices,such as pipettes and hand-operated liquid dispensers.1.3 The values stated in SI units 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 ther
6、esponsibility 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:2D6362 Practice for Certificates of Reference Materials forWater AnalysisE826 Practice for
7、 Testing Homogeneity of a Metal Lot orBatch in Solid Form by Spark Atomic Emission Spec-trometry2.2 ISO Standards:3ISO Guide 30 Terms and Definitions Used in Connectionwith Reference MaterialsISO Guide 31 Contents of Certificates of Reference Materi-alsISO Guide 35 Certification of Reference Materia
8、ls Generaland Statistical PrinciplesISO/REMCO N280 Homogeneity Testing Procedure for theEvaluation of Interlaboratory Test Samples2.3 Government Standard:429 CFR 1910.1200 Hazard Communication3.Terminology3.1 Definitions:3.1.1 accepted reference value(ARV)a value that servesas an agreed-upon referen
9、ce for comparison and that is derivedas:(1)a theoretical or established value,based on scientificprinciples;(2)an assigned value,based on experimental workof some national or international organization,such as theNational Institute of Standards and Technology(NIST);or(3)a consensus value,based on co
10、llaborative experimental workunder the auspices of a scientific or engineering group.3.1.2 ampulea glass vessel for the storage of liquidmaterials,possessing a long narrow neck for the purpose ofproviding a flame-sealed closure.3.1.3 headspacethe unfilled capacity of an ampule thatallows for physica
11、l expansion due to temperature and pressurechanges of the filled material while maintaining the integrity ofthe package.3.1.4 homogeneitythe uniformity of the characteristics ofthe packaged material across the entire packaging run deter-mined for the purpose of demonstrating the suitability of theba
12、tch for its intended purpose.3.1.4.1 DiscussionThere are two homogeneity testingcases;one in which the material is ampulized as a referencematerial at the time of ampulization,and one in which the1This practice is under the jurisdiction of ASTM Committee D02 on PetroleumProducts,Liquid Fuels,and Lub
13、ricantsand is the direct responsibility of Subcom-mittee D02.04.0A on Preparation of Standard Hydrocarbon Blends.Current edition approved Oct.1,2016.Published November 2016.Originallyapproved in 2000.Last previous edition approved in 2011 as D6596 00(2011).DOI:10.1520/D6596-00R16.2For referenced AST
14、M 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.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,N
15、ew York,NY 10036,http:/www.ansi.org.4Available 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 International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1
16、 material is not.(1)reference material at time of ampulizationThematerial to be ampulized is a reference material that hasaccepted true or consensus values.Ampulization of a refer-ence material would require homogeneity testing in order toassess the variability caused by the ampulization process onthe true or consensus values for the reference material.(2)not a reference material at time of ampulizationThematerial to be ampulized is not a reference material at thetime of ampulization but is inte
