1、Designation:C112815Standard Guide forPreparation of Working Reference Materials for Use inAnalysis of Nuclear Fuel Cycle Materials1This standard is issued under the fixed designation C1128;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revis
2、ion,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 guide covers the preparation and characterizationof working reference materials(WRM)that are produced
3、by alaboratory for its own use in the destructive analysis of nuclearfuel cycle materials.Guidance is provided for establishingtraceability of WRMs to certified reference materials by adefined characterization process.The guidance provided isgeneric;it is not specific for a given material.1.2 The in
4、formation provided by this guide is found in thefollowing sections:SectionPlanning6Preparation7Packaging and Storage8Characterization9Statistical Analysis10Documentation111.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.4 Th
5、is 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.2.Referenced Documents2.
6、1 ASTM Standards:2C859 Terminology Relating to Nuclear MaterialsC1009 Guide for Establishing and Maintaining a QualityAssurance Program forAnalytical Laboratories Within theNuclear IndustryC1068 Guide for Qualification of Measurement Methods bya Laboratory Within the Nuclear IndustryC1215 Guide for
7、Preparing and Interpreting Precision andBias Statements in Test Method Standards Used in theNuclear Industry2.2 ISO Standards:3ISO/IEC 17025 General Requirements for the Competenceof Calibration and Testing Laboratories3ISO Guide 30 Terms and Definitions Used in Connectionwith Reference Materials3IS
8、O Guide 34 General Requirements for the Competence ofReference Material Producers2.3 Joint Committee for Guides in Metrology:4JCGM 100:2008 Evaluation of Measurement DataGuideto the Expression of Uncertainty in Measurement(ISOGUM 1995 with Minor Corrections(2008)JCGM 200:2008 International Vocabular
9、y of MetrologyBasic and General Concepts and Associated Terms(VIM)(ISO/IEC Guide 99)3.Terminology53.1 Definitions of Terms Specific to This Standard:3.1.1 certified reference material(CRM)6a reference ma-terial with one or more property values that are certified by atechnically valid procedure,accom
10、panied by or traceable to acertificate or other documentation that is issued by a certifyingbody(as defined by ISO Guide 30).A certifying body is atechnically competent body(organization or firm,public orprivate)that issues a reference material certificate(as definedby ISO Guide 30).A reference mate
11、rial certificate is a docu-ment certifying one or more property values for a certifiedreference material,stating that the necessary procedures havebeen carried out to establish their validity(as defined by ISOGuide 30).3.1.2 reference material(RM)6a material or substance oneor more properties of whi
12、ch are sufficiently well established to1This guide is under the jurisdiction of ASTM Committee C26 on Nuclear FuelCycle and is the direct responsibility of Subcommittee C26.08 on QualityAssurance,Statistical Applications,and Reference Materials.Current edition approved Feb.1,2015.Published February
13、2015.Originallyapproved in 1989.Last previous edition approved in 2008 as C1128 01(2008).DOI:10.1520/C1128-15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standar
14、ds Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.4Available from Bureau International des Poids et Mesures,Pavillon de Breteuil,F-92312 Svres Cedex,France,www.bipm.org.5See C859 for ot
15、her terms specific to the nuclear fuel cycle.6It is important that a well defined uncertainty in the stated value(s)be given inthe certificate.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 be used for the calibration of an apparatus,the
16、 assessment of ameasurement method,or assigning values to materials(asdefined by ISO Guide 30).A reference material may bereferred to in this guide also as a standard,such as calibrationstandard or control standard.3.1.3 working reference material(WRM)6a RM usuallyprepared by a single laboratory for its own use as a calibrationstandard,as a control standard,or for the qualification of ameasurement method(see Guide C1068)as indicated in Fig.1.4.Summary of Guide4.1 This guide covers the preparatio
