BS ISO 13468-2-1999 塑料.透明材料光透射率总量的测定.双束发射仪器

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【英文标准名称】:Plastics-Determinationofthetotalluminoustransmittanceoftransparentmaterials-Double-beaminstrument
【原文标准名称】:塑料.透明材料光透射率总量的测定.双束发射仪器
【标准号】:BSISO13468-2-1999
【标准状态】:作废
【国别】:英国
【发布日期】:1999-08-15
【实施或试行日期】:1999-08-15
【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】:透明度;光传输;入射光辐射;光透射率;塑料;试验设备;定义;双束光度计;光度测量法;测定
【英文主题词】:Definition;Definitions;Determination;Double-beamphotometer;Illuminationengineering;Incidentlightradiation;Lighttransmission;Lighttransmittance;Photometry;Plastics;Testequipment;Transparency
【摘要】:ThispartofISO13468coversthedeterminationofthetotalluminoustransmittance,inthevisibleregionofthespectrum,ofplanartransparentandsubstantiallycolourlessplastics,usingadouble-beamscanningspectro-photometer.ThispartofISO13468cannotbeusedforplasticswhichcontainfluorescentmaterials.ThispartofISO13468isapplicabletotransparentmouldingmaterials,filmsandsheetsnotexceeding10mminthickness.NOTE1Totalluminoustransmittancecanalsobedeterminedbyasingle-beaminstrumentasinpart1ofthisInternationalStandard.NOTE2Substantiallycolourlessplasticsincludethosewhicharefaintlytinted.NOTE3Specimensmorethan10mmthickmaybemeasuredprovidedtheinstrumentcanaccommodatethem,buttheresultsmaynotbecomparablewiththoseobtainedusingspecimenslessthan10mmthick.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:12P.;A4
【正文语种】:英语