【英文标准名称】:Coilcoatedmetals-Testmethods-Colourdifference-Instrumentalcomparison
【原文标准名称】:卷材覆层金属.试验方法.颜差.仪器比较
【标准号】:BSEN13523-3-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-03-15
【实施或试行日期】:2001-03-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:卷材;分光光度法;比较试验;染色试验;有机覆层;比色法;金属;覆层
【英文主题词】:Coatingmaterials;Coatings;Coilcoatings;Colorimeters;Colorimetric;Colorimetry;Colourdifferences;Definition;Definitions;Generalsection;Measurement;Metalcoating;Metals;Paints;Specification(approval);Spectrophotometry;Testing
【摘要】:ThisPartofEN13523sepcifiesproceduresfordeterminingtheinstrumentalcolourdifference(CIELAB)ofanorganiccoatingonacoilcoatedmetal.Establishingastandardaswellasthemagnitudeofanacceptablecolourdifferencearenotcoveredbythismethod.TwoappropriatemethodsaregiveninthispartofEN13523:a)instrumentalcolourdifferencemeasurementusingatristimuluscolorimeter;b)instrumentalcolourdifferencemeasurementusingaspectrophotometerorequivalent.Excludedfromthismethodarespecimensproducingfluorescence,showingsignificantmetamerism,andwhicharemulti-coloured,pearlescentormetallic.Inordertodeterminewhethermetamerismispresent,themetamerismindexisdetermined(seeEN13523-15)and/oravisualexamination(seethedocumentinpreparation,Wl00139156,Part22ofthisStandard)isperformedwithdifferentartificiallightsources.
【中国标准分类号】:A29
【国际标准分类号】:25_220_60
【页数】:8P.;A4
【正文语种】:英语