【英文标准名称】:StandardTestMethodforColorMeasurementofFlaxFiber
【原文标准名称】:亚麻纤维颜色测量标准试验方法
【标准号】:ASTMD6961/D6961M-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D13.17
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:CIELAB;color;flaxfiber;CIEcolor-scalesystem;Color--textiles;Flaxfiberandproducts;Instrumentalmeasurement--paints/relatedcoatings/materials;Spectrophotometry--atomicabsorption(paints/relatedcoatings)
【摘要】:Fewstandardsexisttoobjectivelyjudgeflaxquality.Colorisanimportantfactorinthequalityofflaxfiber.Naturalvariationsinrawflaxfiber,variousprocessingsteps,fiberblending,andawiderangeofendusescontributetotheneedforastandardmethodofobjectivelymeasuringthecolorofflaxfiber.Spectrophotometicdataprovideanaccurate,precisedeterminationofthecolorofflaxfiber.ColorimetricdataareobtainedthroughspecimenmeasurementbycombiningspecimenspectraldatawithdatarepresentingaCIEstandardobserverandaCIEstandardilluminant,asdescribedinMethodE308.Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwo(ormore)laboratories,comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,usethesamplesforsuchacomparativetestthatareashomogeneousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedindisparateresultsduringinitialtestingandrandomlyassignedinequalnumberstoeachlaboratory.Theresultsfromthelaboratoriesinvolvedshouldbecomparedusingastatisticaltestforunpaireddata,aprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatfibersampletypemustbeadjustedinconsiderationoftheknownbias.1.1Thistestmethodcoverstheinstrumentalcolormeasurementofflaxfiber.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W30
【国际标准分类号】:59_060_10
【页数】:3P.;A4
【正文语种】:英语