BS ISO 11476-2001 纸和纸板.C/2°CIE白度的测定(室内照明条件)
作者:标准资料网
时间:2024-05-10 13:03:18
浏览:9881
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Paperandboard-DeterminationofCIEwhiteness,C/2°(indoorilluminationconditions)
【原文标准名称】:纸和纸板.C/2°CIE白度的测定(室内照明条件)
【标准号】:BSISO11476-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-08-15
【实施或试行日期】:2001-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:材料的光学性质;添加剂;室内照明;反射比因数;白色;纸板;颜料;反射系数;荧光材料;纸;光学测量;试验条件;颜色
【英文主题词】:Board(paper);Definition;Definitions;Determination;Indoorlighting;Interiorlighting;Opticaltests;Paper;Testing;Whiteness
【摘要】:ThisInternationalStandardspecifiestheproceduretobeusedfordeterminingthewhitenessofpapersandboards,inordertoobtainvalueswhichcorrespondtothevisualappearanceofwhitepapersandboards,withorwithoutfluorescentwhiteningagents,whentheyareviewedindoors.Itisbasedonradiancefactordataobtainedoverthefullvisiblespectralrange(VIS)incontrasttothemeasurementofISObrightness,whichislimitedtotheblueregionofVIS.Inaddition,itspecifiesamethodforadjustmentoftheUV-contenttocorrespondtotheCIEilluminantC,sincetheresultsobtainedwhenfluorescentwhiteningagentsarepresentaredependentupontheUV-contentoftheradiationfallinguponthesample.TheCIEilluminationCistakentoberepresentativeofindoorilluminationconditionsbecauseitcontainsasuitableproportionofUV-radiation.Thismethodisnotapplicabletocolouredpaperscontainingfluorescentdyes.Itisspecificforthesituationwherethefluorescenceoccursintheblueregionofthevisiblespectralrange.ThisInternationalStandardshouldbereadinconjunctionwithISO2469.NOTE1ItisrecognizedthattheCIE-whitenessequationwasdevelopedinthecontextoftheCIEstandardilluminantD65[10],butthesimilaritybetweentherelativespectralpowercurvesfortheCandD65illuminantswithinthevisibleregionandtheclosenessoftheircorrelatedcolourtemperatures(6770Kand6500Krespectively)istakenasajustificationfortheuseoftheanalogouswhitenessequationwiththeCIEilluminantC.NOTE2ArelatedInternationalStandard,ISO11475specifiestheprocedureforobtainingvaluescorrespondingtotheappearanceofpapersviewedundertheCIEilluminantD65.
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【页数】:20P;A4
【正文语种】:英语
【原文标准名称】:纸和纸板.C/2°CIE白度的测定(室内照明条件)
【标准号】:BSISO11476-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-08-15
【实施或试行日期】:2001-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:材料的光学性质;添加剂;室内照明;反射比因数;白色;纸板;颜料;反射系数;荧光材料;纸;光学测量;试验条件;颜色
【英文主题词】:Board(paper);Definition;Definitions;Determination;Indoorlighting;Interiorlighting;Opticaltests;Paper;Testing;Whiteness
【摘要】:ThisInternationalStandardspecifiestheproceduretobeusedfordeterminingthewhitenessofpapersandboards,inordertoobtainvalueswhichcorrespondtothevisualappearanceofwhitepapersandboards,withorwithoutfluorescentwhiteningagents,whentheyareviewedindoors.Itisbasedonradiancefactordataobtainedoverthefullvisiblespectralrange(VIS)incontrasttothemeasurementofISObrightness,whichislimitedtotheblueregionofVIS.Inaddition,itspecifiesamethodforadjustmentoftheUV-contenttocorrespondtotheCIEilluminantC,sincetheresultsobtainedwhenfluorescentwhiteningagentsarepresentaredependentupontheUV-contentoftheradiationfallinguponthesample.TheCIEilluminationCistakentoberepresentativeofindoorilluminationconditionsbecauseitcontainsasuitableproportionofUV-radiation.Thismethodisnotapplicabletocolouredpaperscontainingfluorescentdyes.Itisspecificforthesituationwherethefluorescenceoccursintheblueregionofthevisiblespectralrange.ThisInternationalStandardshouldbereadinconjunctionwithISO2469.NOTE1ItisrecognizedthattheCIE-whitenessequationwasdevelopedinthecontextoftheCIEstandardilluminantD65[10],butthesimilaritybetweentherelativespectralpowercurvesfortheCandD65illuminantswithinthevisibleregionandtheclosenessoftheircorrelatedcolourtemperatures(6770Kand6500Krespectively)istakenasajustificationfortheuseoftheanalogouswhitenessequationwiththeCIEilluminantC.NOTE2ArelatedInternationalStandard,ISO11475specifiestheprocedureforobtainingvaluescorrespondingtotheappearanceofpapersviewedundertheCIEilluminantD65.
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【页数】:20P;A4
【正文语种】:英语
下载地址:
点击此处下载