1、INTERNATIONA1.STANDARDISO4259-4editionFirst2021-12Petro1.eumandre1.atedproducts一Precisionofmeasurementmethodsandresu1.tsP触地statistica1.contro1.chartstova1.idate,in-statistica1.-contro1.,statusfortheexecutionofastandardtestmethodinasing1.e1.aboratoryProduitspetro1.iersetConneXeSFide1.itedesmethodesde
2、mesureetdeIeursresu1.tatsPartie4:Uti1.isationdecanesdecontr61.eStatiSxqUCPoUrVQ1.ider1.GtatsousmaitriseStatistiquepoure6cutiond,unemethode(TeSS(Iinorma1.iseedansunseu1.IahoratoireReferencenumberISO4259-4:2021(E)ISO2021COPYRIGHTPROTECTEDDOCUMENTISO2021IUirhM*hedbdi1.iUedotherwiseupdhi.or啪UIBndttaeDmk
3、fifiHipB1.andonnet8CH-1214Vernier,GenevaPhone：M1.22749O1.11觥曲ite：图洲跳触OQrgPub1.ishedinSwitzer1.andContentsForewordPageIVIitroductionScone.V13NormativereferencesTerms.definitions.Vmhn1.qandabbreviatedterms.113.1Specifictermsanddefinitions243.2StatistSymboISandabbreviatedterms21.ica1.contro1.intheexecu
4、tionofastandardtestmethodbya1.aboratory34.134.2Contro1.chartdescription44.2.2GunuhMR:ChartS44.2.31.-chartsensitirityenhancementstrategy44.2.4In-statistica1.-contro1.conditions54.3to感喇。虫ProCeSS54?2Stpp1fcont1.rhrtworknrocp,54.44.3.3Stage2ofcontro1.chartworkprocessQ.1.mafe三rtchChangetransition.-9114.4
5、2Procedure!.concurrenttesting.124.43Pracedurp2.Ochart125Guidanceforinsufficientvariationornon-norma1.data135.1Genera1.requirement135.2I1.owtodea1.withinsufficientvariationornon-norma1.data.135.2.ZNinifiioranaktanation13Annex A (informative)Detai1.softhecontro1.chartworkprocess15Annex B (normative)C
6、heckprocedures34Bib1.iography36ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOtnnhnfaaibif1.4m11ra8wcekdHPfff1.PbBGgbodyhimuramMiaftbtand所7f(11okh曲扎mitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organ
7、izations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare0f1.
8、S01.EC(VifY1的M51b、WFhtheeditoria1.ru1.esoftheISO/IECDirectives.Part2(secwww.iso.org/direc1.ives).AnytradeusedinthisR蝴。nrightsd醐nN脚蝴阳脚MnS郦f耐破赧Nfdocff1.据阍赧subjectofanypatentrightsidentifiedduringthedeve1.opmerUW4iewmwVw1.1.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.
9、org/patents).constitutenameendorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsandU明泉加OrRan俱feg悯O1.ass忠Eif1.S皿窿inwJ憎i观SnBa吊2/Mdead焦PAtreS地ww.isO.orgisoforewordhtmI.伟饿府偎依惭怦纲曲湖然惭福对懦他it框蛆跳僦肺龊帆傩眺S部也m他ee/ue/
10、sStandardization(CEN),Iechnica1CommitteeCEN/TC19,Gaseousand1.iquidfue1.s,1.ubricantsandre1.atedproductsofpetro1.eum,syntheticandbio1.ogica1.origin,inaccordancewiththeAgreementontechnica1.cooperationbetweenISOandCEN(ViennaAgreement),AIistofa1.1.partsintheISO4259seriescanbefoundontheISOwebsite.由珏拼占6“典
11、fiftsHHiesthismRMeHftRFSh。UWwWj拓剧e=油nationa1.standardsbody.AIntroductionmeansanddataimp1.icitexpectationexpectationscustomers11t-for-use.Tmstworthyentities.DatatrustworthinessThisdocumentdescribesmanufacturingSectorspecificthestatistica1.Contro1.monitoringse1.ecteddemnnstratingthatinterpretedthateac
12、hrequirementIestassessnientobtainedfromqua1.ityconformancetoin-statistica1.-contro1.testmethodconsistencyapp1.icationstandardizationOnihowAddressingthein-statistica1.-contro1.necessitynecessaryInthecurrentg1.oba1.businessenvironment,measurementdatatrustworthiness*isakeybusinessdrivertheanqua1.itymee
13、tsfromandisandregu1.atorydatacanon1.ybeproducedbymeasurementsystemsthataredemonstratedtobestab1.eandarcundercommoncausevariationon1.y.arewide1.yusedbythetheapp1.icationsofforpurposeofchartsandfromthosetheins1.atistica1.contro1.statusofa1.aboratoryintheexecutionofastandardized1.estmethodtoproducetrus
14、tworthydata.InISO42592p)rtheIaboratoryzSforresu1.tisofproducttestmethodthatisSpedf1.cation.beintermsofprecisionandbias,tobosubstantiatedbyin-housestatistica1.qua1.itycontro1.(SQC)chartsorotherequiva1.entstatistica1.techniques.Whi1.ein-housetechniquesareusedbymany1.aboratoriesfortoensurequa1.ityinass
15、urancerofISO4259-29.toestab1.ishaforementionedisthemotivationofthisdocument,whichisbasedonASTMD6299.Petro1.eumandre1.atedproductsPrecisionofmeasurementmethodsandresu1.ts一ft琐statistica1.contro1.chartstova1.idate,in-statistica1.-controstatusfortheexecutionofastandardtestmethodinasing1.e1.aboratory1 Sc
16、opeThisdocumentspecifiestheprocessandmethodo1.ogyfortheconstruction,operation,andmaintenanceefatistica1.-contro1.andchartsCfejto1.tsitGindIaborattfrytJtttetaeonuJta1.idardtestRtetiiadisin-Itspecifiescontro1.chartsthataremostappropriateforISO/TC28testmethodswherethedominant曲嘛OnS魁丽rvar曲幅衲海帧枫悌曲跑m骷那re：n
17、懦啷UaIoPC出即蜘陶油脚加2困J1.andeithertheexponentia1.1.yweightedmovingaverage(EWMA)orzone-basedrunru1.essimi1.artoWesternE1.ectric(WE)runru1.es(3jassensitivityenhancementstrategytosupportthe!-chart.强ingp(tom网inp1.e三M用嘛VqrO祖beA而祖;俄丽而聊捌Qctsfrommannerthatpreservesthehomogeneityofpropertiesofinterestbetweencontr
18、o1.samp1.es.Ifthetestmethodpermits,acertifiedreferencemateria1.(CRM)samp1.eisusedasacontro1.samp1.eprovidedthe(也E8ft物资柒降而演M相也然I三说1.也殳倜蛇dsAWfapurecompound；ifthisisThisdocumentisapp1.icab1.etopropertiesofinterestthatare(knowntobe)stab1.eovertime,andfor8%bes穿讲股吊yjF隔球HEiW由多咫卬血1网油败船8dasMmB0t旗蝌HR&W瞅IhS刚厥P
19、dforsituationswhereHieassumptioncannotbeva1.idated.2 NormativereferencesThefo1.1.owingdocumentsarereferredtointhetextinsuchawaythatsomeoftheircontentsupportFetpiiracwenithdofdtostahJraeMtfIWfkenihtt1.*ferfennwqih*ietoionamcrtMiint孙8例ies.undatedfW曲4幻丽必M丽柿涧如切网仙酮-fPMiP6fasurementmethodsandresu1.ts3 Ter
20、ms,definitions,symbo1.sandabbreviatedtermsForthepurposesofthisdocument,thetermsanddefinitionsgiveninISO4259-1andthefo1.1.owingapp1.y.ISOandIECmaintaintermino1.ogydatabasesforuseinstandardizationatthefo1.1.owingaddresses：ISOOn1.inebrowsingp1.atform:avai1.ab1.eavMtps/WWwriSeFgebpIECE1.ectropedia:avai1
21、ab1.eathttps:/www.e1.ectropedia.org/3.1 Specifictermsanddefinitions3.1.1commoncause3.1.21 toentry：SeeFmfforImoncausevariationaspectsintentiona1.1.ymethodcannotberigid1.ycontro1.1.edaspartofthenorma1.andcorrectexecutionofa1.1.-503.1.3In-Statistica1.-Contro1.3.1.22siteprecisionconditions3.1.23 specim
22、enstakenatrandomfromthesamemateria1.overthenorma1.dai1.yoperatingenve1.opequa1.itycontro1.samp1.etoPropertynorma1.1.ybetweenthespecimens,preparedinamannerthatpreservesthehomogeneity3.2 Symbo1.sandabbreviatedtermsARVassignedreferenceva1.ueImnTheConceptspannedi1.1.ustratedTab1.each1.evedcontro1.charta
23、veragesarereferredtoastheworkingrangeassociatedwithfactorsthatcontributetocommoncausevariation(3.1.2)Notevariationamongstresu1.tsco1.1.ectedundersiteprecisionconditions(3A)fromrepeatedexecutionofatestmethodonthesametestmateria1.attibutab1.etoknown,unknown,orunknowab1.efactorsthatareofthetestnotorsit
24、uationwhereinthetestresu1.tsproducedbytheuseroncontro1.samp1.esarereasonab1.yconsistentwithexpectationovertimewithcommonCaUSevariationscatteredaroundastab1.eexpectedcentreconditionsunderwhichsing1.etestresu1.tsareobtainedintimeinterva1.s,separatedbyat1.east8h,bythetestingpopu1.ationinasing1.e1.abora
25、toryexecutingtheSamCtestmethodusingthesameapparatusontestQCsamp1.especimentakenfromastab1.eandhomogeneousmateria1.withcompositionandpropertiessimi1.arpropertiesoofsamp1.eofinteresttestedbytest1.aboratory,storedinterestovertime,andavai1.ab1.einsufficientquantityforrepeated1.ong-termtestingADAndcrsonD
26、ar1.ingfknownSSSTab1.e1Statistica1.1.ypoo1.edstandarddeviationconceptSdfM/?knownMateria1.Property(unit)knownWorkingrangesummergaso1.inevapourpressure(kpa)0556049.85toS0,680.62wintergaso1.inevapourpressure(kpa)0后385104,67to105,910,934Statistica1.contro1.intheexecutionofastandardtestmethodbya1.aborato
27、ry4.1Genera1.Theexecutionofastandardtestmethodbya1.aboratoryisinthisdocumentconsideredastheexecutionhiivn3eriesunbownJntcroaoDiiukunkpaco1.1.ectionofintcrconncctcdworkprocessesspecifictoatestmethoddifferencesbetweenoutputsduetoCOmHOncausesFigure1Fishbonediagramrepresentationofcommoncausevariationint
28、heexecutionofatestmethodThecomp1.eteprocessassociatedwiththeexecutionofthespecifictestmethodissaidtobeinscatteredaroundastab1.ecentreduetocommoncauseson1.y.determinein-statistica1.-contro,Samp1.eniu1.ti-Stepandintegratedworkprocessinvo1.vinguseof舸(jghoutF傣百ij4Migq然U1.R第statistica1.wi1.1.beomittedand
29、thetermreferredtoas,contro1.charts,1S04259-4:2021(E)4.2 Contro1.chartdescription4.2.1 Genera1.Contro1.chartsappropriateformostpetro1.eumindustrytestmethodsChatyie1.dnumericresu1.tsaretheindividua1.(I)chartandthemovingrangeof2(MRz)chart.NOTE1The1.-chartisa1.soknownastheX-chartortheShewhartchartr.NOTE
30、2Forsimp1.icity,theMRzchartisreferredtoasthemovingrange(MR)chartthroughouttherestofthisdocument.4.2.2 I-andMR-chartsThe1.-chartisagraphicdisp1.ayofindividua1.QCsamp1.etestresu1.ts(X)co1.1.ectedundersiteprecisionMi函瓯(p1.ottedifuohww1.ni?OrtknitSver1.aidhevdthrvfe11trdtbw;Iriwtrniuiveruppd114r11bn)tro
31、1.1.imits(1.C1._X,UC1.,X).Theprimarypurposeofthe1.-chartistomonitorprocesscentrestabi1.ityovertime.Ntt1.sitepW-W1.iW三nsinteWisatiqf1.aAWtheh(f1.11tyref11tecff1.rttori!tsbisHatidrf(FrtprafffiHityconditions(seeISO4259-1)doesnotcontributetowardsthisobjective,asthevariationduetocommoncausesofinterestisn
32、otcontainedinrep1.icateresu1.tsco1.Icctcdunderrepeatabi1.ityconditions.E丽art,M叫，融fi豳制新ygi拗济喻侪林窃R1.陷班itMf1.展陈由即即Woa桃Nff1.eidua康tftWittheaction,hereinreferredtoasMR-chartuppercontro1.1.imit(UC1.,MR).TheprimarypurposeoftheMR-chartistomonitorcommoncausevariationstabi1.itybetweensuccessiveQCsamp1.eresu1.
33、tsovertime.aW袱Xbf1.MWn1.as副毒R蟒BSOfrdfi?ftthedeft掬Sprocessthatisin-statistica1.-contro1.,usingtheNorma1.distibution(1.-chart)andWdistribution(MR-chart)asthereferencestatistica1.mode1.s.Hence,these1.imitsrepresenttheexpectation1.imitsfortheprocessoutcomeifitisin-statistica1.-contro1.4.2.3 1.-chartsens
34、itivityenhancementstrategyAsadirectconsequenceofsettingtheaction1.imitsforthei-chartbasedona1.owprobabi1.ityofchGedanDifthtq)roccssCCntttfWtiSJtdiStiUaetone【蝇XtisStfyiJP1.bmigahQnwtnSittxthddi1.iot1.McnMqnaHenhancementstrategiestoovercomethisshortcoming.Thisdocumentrequiresuseofoneofthefo1.1.owingst
35、rategiesinconjunctionwiththe1.-chart:a) Strategjr1:Zone-basedrunru1.es.Act4Mirequiredifanyofthefo1.1.owingrunru1.econditionsispresentFordefinitionsofzonessee4.3.2： twooutofthreeconsecutiveindividua1.resu1.tsinZoneAononesideofthecentre1.ine; fouroutoffiveconsecutiveindividua1.resu1.tsbvyondZoneConone
36、sideofthecentre1.ine; nineconsecutiveindividua1.resu1.tsonthesamesideofthecentre1.ine(aboveorbe1.ow);onb) Weightedmovingaverage(EWMA).ActionisrequiredifeitheroneoftheanyexceedanceoftheEWMAaction1.imits;nineconsecutiveindividua1.resu1.tsonthesamesideofthecentre1.ine(aboveorbe1.ow).4OneEWMAwcigh1.ing4
37、time-wcightedmovingaverage,Ca1.cu1.atedexponentia1.1.yx1.ataPointSOfUPthiSweightrrentdetectionpowerasStrategy1.j.4.2.4 In-statistica1.-contro1.conditionscontro1.ifa1.1.ofthefo1.1.owingconditionsaremet：b)1.essthanfiveoutof12successiveMRresu1.tsexceedMR-chartuppercontro1.1.imit,and4.3 Contro1.chartwor
38、kprocess4.3.1 Genera1.contro1.atwo-stagemu1.ti-stepworkprocessinvo1.vinguseofcontro1.chartsandQCmateria1.isspecified.ChartS,MR-Chartaetion1.imitsrepresentbytheboundarieswithinWhichthethecurrent1.imitsfuturerespectivearedep1.oyedforStage2ifa1.1.in-statistic3-contro1.conditions(see4.2.4)aremet.estab1.
39、ishedactionCornPUtaHonChoSCnenhancementstrategyHmitsStagefromUnderMaintenance*,theStaHStiC,practice,theroot-mean-squaretechniqueisusedtocomputethesamp1.estandarddeviation4.3.2 Stage1ofcontro1.chartworkprocessChartschrono1.ogica1.1.yobtaineddatacnhancementStratcgydistribu1.ionasthcareferencemode1.Fig
40、urcmateha1.1) propertiesmu1.tip1.eQCSamp1.esnomia1.1.ytestedandthehomogeneousmateria1.withcompositionand3) visua1.1.ydiscernib1.etranscriptionchrono1.ogica1.1.yCorrectordiscardobvioustranscriptionerrors,foranyThetheisaofeachdatumreducedwithageusingTheratetornos1.decayiscontro1.1.edby.Itisre-ca1.cu1.
41、atedwiththearriva1.ofeachnewdatumandisjudgedagainstitsownaction1.imits(hereinreferredtoastheEWM-action1.imits).nEWMWith=0,4hassimi1.arUseofStrategy2isrecommendedduetotheeaseOfimp1.ementationand1.owerexpectedfa1.sea1.armratethanStrategy1.Thecomp1.eteprocessassociatedwiththeexecutionofatestmethodisdee
42、medtobein-statistica1.-a)a1.1.individua1.contro1.samp1.eresu1.tsarewithinthe1-chartaction1.imits,C)noactionrequiredforthesensitivityenhancementchosen(StrategyIor2).Todetermineifthecomp1.eteprocessassociatedwiththeexecutionofatestmethodisin-statistica1.-Stage1comprisesvisua1.andstatistica1.assessment
43、ofinitia1.testresu1.tsforanewbatchofQCmateria1.p1.ottedinachrono1.ogica1.order(knownasarunchart).Thisisfo1.1.owedbyConstiuctionoftheI-chartandTheusingtheseresu1.tsover1.ayingthemeanandactionandontotheresu1.tsandMRforthisQCmateria1.areexpectedto1.ie,ontheassumptionthattheprocessisin-statistica1.-cont
44、ro1.andtheQCmateria1.remainsunchanged.Thecontro1.charts(IandMR)constructedinStage1Stage2comprisesoftwomodes,operationandmaintenance.UnderOperation*,futuretestresu1.ts(fortheQCmateria1.testedinStage1.)astheyarriveinchrono1.ogica1.orderarecomparedagainstthestatisticsusedthe1.imitsandofthecontro1.chartactionin1.Stage1arere-assessedperiodica1.1.yusingnew1.yaccruedin-statistica1.-contro)resu1.tsandupdatedasappropriate.Forthiss.TheprimaryobjectiveofStage1istoestab1.ishinitia1.meansandaction1.imits
