ISO 024032021.docx

1、INTERNATIONA1.STANDARDISO2403editionThrd2021-08Texti1.esCottonfibres一Determinationofmicronaireva1.ueTexti1.esFibresdecotonDeterminationdeVindicemicronaireISO2021Texti1.esCottonfibres-Determinationofmicronaireva1.ue1ScopefibresNrmativereferencess1.ivers,orothersourcesof1.intcotton.constitutesrequirem

2、entsaredocument.Fordatedinreferences,on1.ySonieeditiona1.1.citedapp1.ies.contentISO139,Texti1.es-Standardatmospheresforconditioningandtesting3 Termsanddefinitionsnatthefo1.1.owingISOandIECmaintaintermino1.ogica1.databasesforUSeESIandan13IiOaddresses：3.1 IECE1.ectropedia:avai1.ab1.eat411twww1e1.w1.ro

3、pedia.Fgmicronaireva1.ueassignedbyinternationa1.agreement,isbasedonarangeofcottonstowhichmicronaireva1.ueshavebeen4 Princip1.esca1.eTherecordingvariationsIheeitherspecimenareeitherthroughonstanttheforpressurediffcrenceins1.rurncnttheAnnexAMethodofca1.ibrationofinstrumentsA.1.A.2NOTEbcdistinguishedch

4、cckingmorce1.aboratedeterminationofthe1.ocationsofnumerousinstrumcnt,ssca1.eunderotherspecia1.circmstancesatthe1.aboratory,isdescribedinthisannex.3NoTEcommcrciaIIyavai1.ab1.einstruments).ForarcnotcdinstrumcntitmaygraduatcdinmicronaircVa1.UCS(aswithA.4Perfonnancedifferencescomp1.ianceappropriaterequi

5、rements.A1.ternative1.y,aseriesbringappropriateinstrumentA.5formu1.a,betweenaverageinstrumentreadingsandcorrespondingestab1.ishedva1.uesintheformofathantheequiva1.entof0,10unitrasindicatedbythegraphorbythestatistica1.1.yestab1.ishedre1.ation,asA.6re1.ation.AnnexBinformativePrecisionexperiment8.1 Gen

6、era1.Thisannexgivesanana1.ysisoftheprecisionofmicronairemeasurements.8.2 DescriptionThemeasurementswithinthisexperimenthavebeencarriedoutby721.aboratoriesonsixtest1.nspunnc1.eaning*vcotton)Method*B*(post-c1.eaninRMcotton)Corre1.ationstudyaveragestandarddeviationaveragestandarddeviation1.ineartrend1.

7、ineformu1.aCoefficientofdetermination产16y三0r951x0120,986Thecomparativestudyc1.ear1.yshowsaverygoodagreementofmicronaireva1.ues,independentofthehigher,whi1.eTheva1.uesdifferinrangeofva1.uesforthe1.imitofthea,cottons1.ight1.ydescribedinthisdocument(reportedinAnnexB).HrttuufcrXaIhcdb1.e.effectsthetestr

8、esu1.ts,theseparationintodifferentForadetai1.edreportoftheabovemeasurementp1.easerefertoReference3.Bib1.iography15725-5:1998,AccuracydeterminaUonprecision)precisionmeasurementmeasurementmethodPart3MeasurementInCommercia1.ChristopherEffectjourna1.1.nstrumentaIScienceGradeOnHVIMicronaire1-A1.1.11ghtsr

9、eservedISOAIternativemethodsforthe(truenessoftheofofstandardmethodsandresu1.ts一2ISO13528:2015,Statistica1.methodsforuseinproficiencytestingbyinter1.aboratorycomparison1.iuYoung1.iang1.De1.homCottonBa1.es.TheofofCotton1.e22r1.36-141(2018/4JUnitedStatesDepartmentof/Xgricu1.tureAgricu1.tura1.Marketin/Servicehttps:WWVV.amsICS59.060.10Pricebasedon9pages