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1、BSENISO6143:2025GasanalysisComparisonmethodsfordeterminingandcheckingthecompositionofcalibrationgasmixturesbsi.NationalforewordThisBritishStandardistheUKimplementationofENISO6143:2025.ItisidenticaltoISO6143:2025.ItsupersedesBSENISO6143:2006,whichiswithdrawn.TheUKparticipationinitspreparationwasentru
2、stedtoTechnicalCommitteePTI15,NaturalGasandGasAnalysis.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitscommitteemanager.ContractualandlegalconsiderationsThispublicationhasbeenpreparedingoodfaith,howevernorepresentation,warranty,assuranceorundertaking(expressorimplied)isorwil
3、lbemade,andnoresponsibilityorliabilityisorwillbeacceptedbyBSIinrelationtotheadequacy,accuracy,completenessorreasonablenessofthispublication.Allandanysuchresponsibilityandliabilityisexpresslydisclaimedtothefullextentpermittedbythelaw.Thispublicationisprovidedasis,andistobeusedattherecipientsownrisk.T
4、herecipientisadvisedtoconsiderseekingprofessionalguidancewithrespecttoitsuseofthispublication.Thispublicationisnotintendedtoconstituteacontract.Usersareresponsibleforitscorrectapplication.TheBritishStandardsInstitution2025PublishedbyBSIStandardsLimited2025ISBN9780539244649ICS71.040.40Compliancewitha
5、BritishStandardcannotconferimmunityfromlegalobligations.ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30June2025.Amendments/corrigendaissuedsincepublicationDateTextaffectedEUROPEANSTANDARDENISO6143NORMEEUROPEENNEEuropaischenormJune2025ICS71.040.40Supersede
6、sENISO6143:2006EnglishVersionGasanalysis-ComparisonmethodsfordeterminingandcheckingthecompositionofcalibrationgasmixturesISO6143:2025Analysedesgaz-MethodesdeComparaisonpourlaGasanalyse-VergleichsverfahrenzurBestimmungunddeterminationetlaverificationdelacompositiondesUberpriifungderZusammensetzungvon
7、melangesdegazd,etalonnage(ISO6143:2025)Kalibriergasgemischen(ISO6143:2025)ThisEuropeanStandardwasapprovedbyCENon3June2025.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-date
8、listsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCEN-CENELECManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownl
9、anguageandnotifiedtotheCEN-CENELECManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherl
10、ands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandUnitedKingdom.富EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATIONEuropaischeskomiteefurnormungRef.No.ENISO6143:2025ECEN-CENELECManagementCentre:RuedelaScience23,B-1
11、040Brussels2025CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.BSENISO6143:2025ENISO6143:2025(E)EuropeanforewordThisdocument(ENISO6143:2025)hasbeenpreparedbyTechnicalCommitteeISO/TC158AnalysisofgasesincollaborationwithTechnicalCommitteeCEN/TC238Testgases,testpr
12、essures,appliancecategoriesandgasappliancetypesthesecretariatofwhichisheldbyAFNOR.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyDecember2025,andconflictingnationalstandardsshallbewithdrawnatthelatestbyDecember2025.Attent
13、ionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisdocumentsupersedesENISO6143:2006.Anyfeedbackandquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody/nationalcommittee.Ac
14、ompletelistingofthesebodiescanbefoundontheCENwebsite.AccordingtotheCEN-CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungar
15、y,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandtheUnitedKingdom.EndorsementnoticeThetextofISO6143:2025hasbeenapprovedbyCENasENISO6143:2025withoutanymodification
16、.ContentsPageForeword.Introductionvi2 Normativereferences13 Termsanddefinitions14 Symbolsandabbreviatedterms35 Principle46 Generalprocedure56.1 Determinationoftheanalysisfunction56.2 Validationoftheanalysisfunction96.2.1 Purpose96.2.2 Validationoftheresponsemodel96.2.3 Examiningconformancewithuncertaintyrequirements106.2.4 Driftc
