BS ISO 2470-2000 纸、纸板和纸浆.蓝光漫反射因数的测定(ISO亮度)

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【英文标准名称】:Paper,boardandpulps-Measurementofdiffusebluereflectancefactor(ISObrightness)
【原文标准名称】:纸、纸板和纸浆.蓝光漫反射因数的测定(ISO亮度)
【标准号】:BSISO2470-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-02-15
【实施或试行日期】:2000-02-15
【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】:试验条件;再现性;纸板;试样;亮度(颜色);表面性质;精密度;纸;控制样品;纸浆;蓝色;波谱;白色;漫反射;反射;校正;光学测量;试样制备;试验设备;紫外线辐射;光学现象
【英文主题词】:Board(paper);Definition;Definitions;Diffusereflection;ISObrightness;Opticaltests;Paper;Reflectionfactor;Testing;Tests
【摘要】:ThisInternationalStandardspecifiesamethodformeasuringthediffusebluereflectancefactor(ISObrightness)ofpulps,papersandboards.ThisInternationalStandardislimitedinitsscopetowhiteandnear-whitepulps,papersandboards.Materialsexhibitingfluorescencewhichpromotestheappearanceofwhitenessmaybemeasuredbuttheultravioletenergyleveloftheilluminationmustbeadjustedusingafluorescentcalibrationstandardifstandardizationandagreementbetweeninstrumentsistobeachieved.NOTEAbrightnessvalueassociatedwithaninstrumentsettingadjustedtoconformtotheCIEstandardilluminantD65(cf.ISO11475),whichhasamuchhigherUV-contentthantheCIEilluminantCspecifiedinthisInternationalStandard,isoutsidethescopeofthisInternationalStandardandconsequentlyisnot"ISObrightness".Suchapropertymaybecalled"D65brightness".
【中国标准分类号】:Y30
【国际标准分类号】:85_040;85_060
【页数】:16P;A4
【正文语种】:英语