1、BRITISH STANDARD BS EN ISO 8655-3:2002 Piston-operated volumetric apparatus Part 3: Piston burettesICS 17.060 Incorporating CorrigendumDecember 2008National foreword This British Standard is the UK implementation of EN ISO 8655-3:2002. It is identical with ISO 8655-3:2002, incorporating corrigendum
2、December 2008. It, together with Parts 2, 4 and 5 of BS EN ISO 8655:2002, supersedes BS 7653-2:1993 which is withdrawn. The start and finish of text introduced or altered by corrigendum is indicated in the text by tags. Text altered by ISO corrigendum December 2008 is indicated in the text by . The
3、UK participation in its preparation was entrusted by Technical Committee LBI/36, Laboratory glassware and related apparatus, to Subcommittee LBI/36/1, General and volumetric, glass and plastics apparatus. A list of organizations represented on this subcommittee can be obtained on request to its secr
4、etary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. BS EN ISO 8655-3:2002 This British Standard, having been prepared under
5、 the direction of the Materials and Chemicals Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 22 October 2002 BSI 2009 ISBN 978 0 580 66190 7 Amendments/corrigenda issued since publication Date Comments 30 June 2009 Implementa
6、tion of ISO corrigendum December 2008EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO86553 September2002 ICS17.060 Englishversion PistonoperatedvolumetricapparatusPart3:Pistonburettes (ISO86553:2002) AppareilsvolumtriquespistonPartie3:Burettes piston(ISO86553:2002) VolumenmessgertemitHubkolbenTe
7、il3: Kolbenbretten(ISO86553:2002) ThisEuropeanStandardwasapprovedbyCENon13July2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropean Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcer
8、ningsuchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytranslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesa
9、mestatusastheofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPEND
10、ENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO86553:2002E BS EN ISO 8655-3:2002Foreword Thisdocument(ISO86553:2002)hasbeenpreparedbyTechnicalCommittee
11、ISO/TC48 “Laboratoryglasswareandrelatedapparatus“incollaborationwithTechnicalCommittee CEN/TC332“Laboratoryequipment“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublication ofanidenticaltextorbyendorsement,atthelatestbyMarch2003,andconflict
12、ingnational standardsshallbewithdrawnatthelatestbyMarch2003. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsof thefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium, CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy, Luxem
13、bourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,Switzerlandandthe UnitedKingdom. Endorsementnotice ThetextoftheInternationalStandardISO86553:2002hasbeenapprovedbyCENasa EuropeanStandardwithoutanymodifications. NOTENormativereferencestoInternationalStandardsarelistedinAnnexZA(normative). ENISO86
14、553:2002 BS EN ISO 8655-3:2002 INTERNATIONAL STANDARD ISO 86553 Firstedition 20020915 Referencenumber ISO 86553:2002(E) OSI 2002 Pistonoperatedvolumetricapparatus Part 3: Pistonburettes Appareilsvolumtriquespiston Partie 3:Burettespiston ENISO86553:2002 BS EN ISO 8655-3:2002ii FDPdicslaimre ThisFDPf
15、amelitnocytdeddebmeniayfep.secaInroccatiwecnadAhycilopgnisnecilsebod,thfsimeliarpebytnieivrodewbde tusllahtoneb tidesselnudettehyfepsecahwichraemeileradeddebctdesnetsnidnaolatnodelmocehtupreepfrromigntideehti.gnInodaolnwtgnidihsfile, rapticcasetpetrehietnehserilibisnoptyfotonfnirisebodAgnignilopgnis
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17、afelobesuryISOmerebmseidob.Inthe kilnuleyevtne ttahaborpmeltalerigntotifsi,dnuosaelpfnieromtehtneCSlartercerataitathserddaesigvneolebw. ISO 2002 ArlliesersthgrvsselnU.detorehcepsesiwfi,deirapontihtfosbupliactimnoarperebyrodecudotuzilinanideyfrombroyna snaemy, tcelernahcemrocinoicla,inclidungtohppoco
18、yingmdnaicrfomli,tiwtuohpermininoisswrtifgnirmoietIrehSOtatserddaehebs loworSIsO memrebydobintocehtnuryfotrehtseuqeer. ISOcopyrithgfofiec tsopesaCela65G1121HCeneva02 T.le +22141094711 Fxa +14472290974 Eliam cpoyrigthsio.ch Web wwwsi.oc.h ENISO86553:2002 BS EN ISO 8655-3:2002 iii Contents Page 1 Scop
19、e. 1 2 Normativereferences . 1 3 Termsanddefinitions 1 4 Principleofoperation 1 5 Adjustment 2 6 Metrologicalperformancerequirements . 2 7 Userinformation . 3 8 Marking. 4 Bibliography. 5 ENISO86553:2002 BS EN ISO 8655-3:2002iv Foreword ISO(theInternationalOrganizationforStandardization)isaworldwide
20、federationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,govern
21、mentalandnongovernmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part 3. DraftInternationalStan
22、dardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75 %ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthispartofISO 8655maybethesubjectofpatent rights.ISOshallnotbeheldrespon
23、sibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO 86553waspreparedbyTechnicalCommitteeISO/TC 48, Laboratoryglasswareand relatedapparatus,SubcommitteeSC 1,Volumetricinstruments. ISO 8655consistsofthefollowingparts,underthegeneraltitlePistonoperatedvolumetricapparatus : Part 1: Ter
24、minology,generalrequirementsanduserrecommendations Part 2: Pistonpipettes Part 3: Pistonburettes Part 4: Dilutors Part 5: Dispensers Part 6: Gravimetricmethodsforthedeterminationofmeasurementerror ENISO86553:2002 Part 7: Non-gravimetric methods for the assessment of equipment performance BS EN ISO 8
25、655-3:2002 v Introduction ISO 8655addressestheneedsof: suppliers,asabasisforqualitycontrolincluding,whereappropriate,theissuanceofsuppliersdeclarations; testhousesandotherbodies,asabasisforindependentcertification; usersoftheequipment,toenableroutinecheckingofaccuracy. Thetestsspecifiedshouldbecarri
26、edoutbytrainedpersonnel. ENISO86553:2002 BS EN ISO 8655-3:2002 blank BS EN ISO 8655-3:2002 ANRETNIITOTSLANDNADRA 1 Pistonoperatedvolumetricapparatus Part 3: Pistonburettes 1 Scope ThispartofISO 8655specifies metrologicalrequirements, maximumpermissibleerrors, requirementsformarkingand informationtob
27、eprovidedforusers, forpistonburettes.Itisapplicabletopistonburetteswithnominalvolumesupto ,designedtodelivertheir volume(Ex). NOTE Generalrequirementsanddefinitionsoftermsforpistonoperatedvolumetric apparatusaregiveninISO86551. Conformitytesting(typeevaluation)ofpistonoperatedvolumetricapparatusisgi
28、veninISO 8655 6. Alternativetest methodssuch asphotometricandtitrimetricmethodsaregiveninISO 86557 . Forallothertests(e.g.qualityassurance bythesupplier,analyticalandmeasuringequipmentqualityassurancebytheuser)seeISO 86556oralternativetestmethods. Forsafetyrequirementsofelectricallypoweredpistonbure
29、ttes,seeIEC 610101. 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thispartofISO 8655.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublicationsdo notapply.However,partiestoagreementsbasedonthispartofIS
30、O 8655areencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.Forundatedreferences, thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIECmaintainregistersof currentlyvalidInternationalStandards. ISO 3696,Waterforanalyticallab
31、oratoryuse Specificationandtestmethods ISO 86551:2002, Pistonoperatedvolumetricapparatus Part 1:Terminology,generalrequirementsanduser recommendations ISO 86556:2002,Pistonoperatedvolumetricapparatus Part 6:Gravimetricmethodsforthedeterminationof measurementerror 3 Termsanddefinitions Forthepurposes
32、ofthispartofISO 8655,thetermsanddefinitionsgiveninISO 86551apply. 4 Principleofoperation Pistonburettesareusedfortheaccuratedeliveryofliquids.Incontrastwithpistonpipettes,dispensersanddilutors, whicharedesignedtodispenseaccuratelypreselectedvolumes,pistonburettesarerequiredtodispensevolumesof 100 ml
33、 ENISO86553:2002 BS EN ISO 8655-3:20022 liquidsuntilexternalcriteriasuchaspHorconductivityaremet,atwhichpointitisnecessarytoknowtheaccurate volumedispensed. Thepistoncanbeoperatedmanually,electrically,pneumaticallyorhydraulically.Thevolumedeliveredcanbe indicatedmechanicallyorbyelectronicmeans.Thedr
34、ive,thepistonandthecylindercanbeoneunit,ormodularto permittheuseofdifferentpistonsandcylinders(changeoverunits)withthesamedrive. Priortodelivery,thepistonsystemischargedbyaspirationofliquidfromareservoir.Afterairbubblefreefillingofthe system,movementofthepistoninonedirectiondispensestheliquidwhosevo
35、lumeistobemeasured;movementin theotherdirectionrechargesthesystemfromthereservoir(seeFigure 1). Pistonburettesmayormaynotbeequippedwithvalvesormayhaveseveralpiston/cylindersystemswhichdispense continuously. 5 Adjustment 5.1 Apistonburetteshallbeadjustedbyitsmanufacturerforthedeliveryofitsvolumeandfo
36、rthestandard referencetemperatureof ,usinggrade 3waterasdefinedinISO 3696. 5.2 Ifpistonburettesaredesignedtohavetheirfactorypresetadjustmentalteredbytheuser,thedesignshall preventunintentionalreadjustment.Iftheuserreadjuststhepistonburette,itshallbeclearlyandunequivocally indicatedontheoutsideofthep
37、istonburettethatreadjustmenthasbeeneffected,forexamplebymeansofamark, abrokenseal,oralabelaffixedbytheuser. 5.3 Typetestingoftheadjustmentshallsatisfytheperformancerequirementsspecifiedinclause 6whenthe buretteistestedinaccordancewithISO 86556. 6 Metrologicalperformancerequirements Theconformitytest
38、(typeevaluation)specifiedinISO 86556evaluatesthetotalsystemofthepistonburette consistingofthedriveand,ifapplicable,thechangeoverunit(seeclause 4).Theconformitytestshallbecarriedout inaccordancewithISO 86556by thesupplierpriortotheissuanceofasuppliersdeclarationofconformityoracalibrationcertificate,o
39、r atesthouseorotherauthorizedbodypriortotheissuanceofacertificateofconformity. Forconformitytests,themaximumpermissibleerrorsofTables 1and2shallapply. Ifsupplierdeclarationsofconformityorcalibrationcertificatesareissuedforchangeoverunits,thesuppliershall specifythecombinationofdriveandchangeoverunit
40、towhichthedeclarationofconformityapplies. Figure 1 Schematicdrawingofapistonburette 20 C ENISO86553:2002 When a piston burette is required for use in a country which has adopted a standard reference temperatureof 27 C (the alternative recommended for tropical use), this figure shall be substituted f
41、or 20 C. BS EN ISO 8655-3:2002 3 Forthemaximumpermissibleerrorsofpistonburetteswithintermediatenominalvolumesbetweenthosegivenin Tables 1and2,theabsolutevaluesforthenextgreaternominalvolumeshallapply. NOTE Thismeansthatthemaximumpermissiblesystematicerrorofamotordrivenpistonburette(seeTable 1)withan
42、ominal volumeof is anditsmaximumpermissiblerandomerroris . 7 Userinformation EachpistonburetteshallbeaccompaniedbyuserinformationinaccordancewithISO 86556:2002,clause 6.The instructionsforuseshallcontaininformationregardingatleastthefollowingitems: a) adjustment(Ex)andreferencetemperature( or27 C );
43、 b) nominalvolume;wherethisisnotpracticablesee 8.1 a),informationshallbeprovidedtoenablethenominal volumetobecorrectlyidentifiedfrommarkingsontheappropriateunitormodule; c) smallestvolumewhichcanbedeliveredobservingthemaximumpermissibleerrorsaccordingtoclause 6; d) correcthandling; e) informationregardingthecare,cleaningandmaintenanceofthepistonburette; Table 1 Maximumpermissibleerrorsformotordrivenpistonburettes Nominalvolume Maximumpermissiblesystematicerror Maximumpermissiblerandomerror
