ISO 2470-1999 纸浆、纸和纸板蓝光漫反射因数(ISO亮度)的测定

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【英文标准名称】:Paper,boardandpulps-Measurementofdiffusebluereflectancefactor(ISObrightness)
【原文标准名称】:纸浆、纸和纸板蓝光漫反射因数(ISO亮度)的测定
【标准号】:ISO2470-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC6
【标准类型】:()
【标准水平】:()
【中文主题词】:纸;光学试验;纸板;定义;试验;试验;反射系数;漫反射;ISO亮度
【英文主题词】:Board(paper);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】:9P;A4
【正文语种】:英语