1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 13463:1999 ICS 27.
2、120.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Nuclear-grade plutonium dioxide powder for fabrication of light water reactor MOX fuel Guidelines to help in the definition of a product specificationThis British Standard, having been prepared under the direction of the E
3、ngineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 November 1999 BSI 11-1999 ISBN 0 580 35376 1 BS ISO 13463:1999 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim
4、ISO 13463:1999 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee NCE/9, Nuclear fuel cycle technology, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European co
5、mmittee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-re
6、ferences The British Standards which implement international publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A B
7、ritish Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a f
8、ront cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 6, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Referencenumber ISO13463:1999(E) INTERNATIONAL STANDARD ISO 13463 Firstedition
9、1999-09-15 Nuclear-gradeplutoniumdioxidepowder forfabricationoflightwaterreactorMOX fuelGuidelinestohelpinthedefinition ofaproductspecification Poudre de dioxyde de plutonium de qualit nuclaire en vue de la fabrication de combustible MOX pour racteur eau lgre Guide daide la dfinition dune spcificati
10、on de produitISO13463:1999(E) ii ISO13463:1999(E)iii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasub
11、jectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstand
12、ardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. Att
13、entionisdrawntothepossibilitythatsomeoftheelementsofthisInternationalStandardmaybethesubjectof patentrights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO13463waspreparedbyTechnicalCommitteeISO/TC85, Nuclear energy, SubcommitteeSC5, Nuclear fuel technolo
14、gy.ISO13463:1999(E) iv Introduction Plutoniumrecyclingintheformofmixeduraniumandplutoniumoxidebasedfuel(MOXfuel)hasbecomean industrialreality. Thisplutoniumcannotbeconsideredasastandardproductbecausethepossibilityofrecyclingtheoxidepowder producedbythereprocessingofspentfuels(plutoniumdioxidemixedor
15、notwithuranium)dependsonnumerous factors: itsfabricationprocess; theMOXfuelfabricationprocess; thesafetyconstraintsappliedtotheseprocesses; thecharacteristicsofthereprocessedspentfuel(initialenrichment,burn-uprate,etc.). Asitcannotbeconsideredastandardproduct,theplutoniumconsequentlycannotformthesub
16、jectofgeneral supplyspecifications,asisthecaseforuranium. Thedevelopmentoftheuseofthistypeoffuelneverthelessmakesitworthwhiletodraw-upastandardwhich definescertainminimumpropertiestobecompliedwithbytheoxidepowderandwhichrecommendsboththe sellerandpurchasertoreachagreementconcerningacertainnumberofpa
17、rameterswhichitwillbeadvisableto specify. ThisInternationalStandardmeetsthisneedfortheplutoniumdioxidepower.INTERNATIONALSTANDARD ISO13463:1999(E)1 Nuclear-gradeplutoniumdioxidepowderforfabricationoflight waterreactorMOXfuelGuidelinestohelpinthedefinitionofa productspecification 1 Scope ThisInternat
18、ionalStandardappliestonuclear-gradeplutoniumdioxidepowder(PuO 2 ),forfabricationoflightwater reactorMOXfuel. Itdefinesminimalrequirementsfortheproduct,qualityassuranceandqualitycontrol.Itcanbemodifiedor amendedoncethepowdersupplierandtheMOXfuelfabricatoragree.ThisInternationalStandardsets,inthat res
19、pect,guidelinesforthedefinitionofaproductspecification. 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthese publicationsdonotapply.How
20、ever,partiestoagreementsbasedonthisInternationalStandardareencouragedto investigatethepossibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIEC maintainregistersofcurrentlyvalidInte
21、rnationalStandards. ISO9002:1994, Quality systems Model for quality assurance in production, installation and servicing. ASTMC1233, Practice for determining equivalent boron contents of nuclear materials. 3 Generalrequirements 3.1Qualityassurance Thesuppliershallestablishaqualityassurancesysteminacc
22、ordancewithISO9002,orequivalent. Inthatrespect,thefollowingprinciplesshallberespected. Plutoniumdioxideshallbeproducedwithaqualifiedprocess,thatistosay,inaccordancewithISO9002. Qualificationshallencompassthepowderfabricationprocessitself(homogenization,conditioning,etc.)but alsothepowdersamplingproc
23、essandcharacterizationmethods. Aproductqualityplanshallbeestablished,itshallcontainatleastthefollowinginformation: afabricationdescriptionincludingthelistandvaluesoftheimportantparametersregardingthequalityof thefinishedproduct; adescriptionforon-lineinspectionmethodsandforanalyticaldetermination(eq
24、uipment,measurement principleandrelatedstatisticalcharacteristics).ISO13463:1999(E) 2 3.2Sampling 3.2.1 PuO 2 powderlot Alotisdefinedasaquantityofmaterialthatisuniforminisotopic,chemicalandphysicalcharacteristicsandfree fromforeignmaterial. 3.2.2 Samplesize Eachpowderlotshallberepresentedbyatestsamp
25、le. TraceabilitybetweenthePuO 2 powderlotandthesampleshallbemaintained. Therecommendedsamplesizeshallbe10g. 3.3Packaging EachPuO 2 powderlotshallbepackagedincontainersensuringmaterialconfinement. Eachcontainershallhaveauniquereferencenumber. Traceabilitybetweenthedifferentcontainersofeachlotandthesa
26、mpleonwhichanalyticaldeterminationare performedshallbemaintained. 3.4Documentation Foreachlot,thefollowingdocumentsshallbeprovided: aconditioningcertificateidentifyingthedifferentcontainersofthelot; arecordofalldatafromtestsandanalyticaldetermination; adeclarationofconformityofthePuO 2 powderlot.ISO
27、13463:1999(E)3 4 Materialcharacteristics ThelimitsgiveninTable1refertothereferencedate(dateofsamplingifnotagreedotherwise).Thisdateis mentionedontheanalysisrecord. Determinationsareperformedonrawpowder. Table1Materialcharacteristics Materialcharacteristics Unit Limit Massfractionofplutonium massperc
28、entage W86,0 Puisotopiccomposition 238 Pu 239 Pu 240 Pu 241 Pu 242 Pu masspercentagereported onaPubasis valuetobereported valuetobereported W5,1 valuetobereported valuetobereported Massfractionofamericium241 gg 1 Pu valuetobereported Massfractionofuranium gg 1 Pu valuetobereported (giveisotopiccompo
29、sitionif UW0,5%) Totalactivityoffissionproducts isotopestobetakenintoaccount: 95 Zr, 95 Nb, 103 Ru, 106 Ru, 137 Cs, 144 Ce Bqg 1 Pu u296000 Thermalpower Wkg 1 Pu valuetobereported Residualmoisture masspercentage valuetobereported Surfacearea m 2 g 1 u30 W2ISO13463:1999(E) 4 5 Impurities 5.1Totalimpu
30、rities ThelimitsgiveninTables2and3refertothereferencedate(dateofsamplingifnotagreedotherwise). Determinationsareperformedonrawpowder. Table2Impurities(requirements) Valuesinmicrogramspergramofplutonium Impurities Limit Ag u100 Al u150 B valuetobereported C u500 Ca u250 Cd valuetobereported Cl+F u250
31、 Co u100 Cr u200 Cu u100 Dy valuetobereported Eu valuetobereported Fe u500 Gd valuetobereported Li valuetobereported Mg u200 Ni u200 Si u200 Sm valuetobereported Sn u100 V u300ISO13463:1999(E)5 Table3Impurities(options) Valuesinmicrogramspergramofplutonium Impurities Limit Bi valuetobereported In va
32、luetobereported Mn valuetobereported Mo valuetobereported N valuetobereported Na valuetobereported Pb valuetobereported Th valuetobereported Ti valuetobereported Zn valuetobereported W valuetobereported ThetotaloftheimpuritiesmentionedinTables2and3shallnotexceed5000gg 1 Pu. 5.2Neutron-absorbingimpur
33、ities Theequivalent-boronmassfraction(w EB )ofeachlotshallbecalculatedtakingintoaccountthefollowingelements: B,Gd,Sm,Eu,Cd,Li,Dy. Theequivalent-boronfactorsoftheabove-mentionedelementsarethoseofASTMC1233. Determinew EB ,expressedinmicrogramspergram,fromthefollowingformula: x x x wFw EB,EB where w EB
34、 istheequivalent-boronmassfraction,expressedinmicrogramspergram; F EB,x istheequivalent-boronfactor,forelementx; w x isthemassfractionofelementx,expressedinmicrogramspergramofplutonium. Protocoltobeimplementedifelementsaremeasuredattheirdetectionlimitshouldbeestablisheduponagreement betweenthepowder
35、supplierandtheMOXfuelfabricator. w EB shallnotexceed10gg 1 .ISO13463:1999(E) 6 Bibliography EN10204:1991(amendedin1995), Metallic products Types of inspection documents.BS ISO 13463:1999 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
36、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It
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