作者:标准资料网 时间:2024-05-19 03:08:22   浏览:9701   来源:标准资料网

【英文标准名称】:StandardPracticeforSpecifyingtheGeometryofMultiangleSpectrophotometers
【原文标准名称】:规定多角分光光度计几何形状的标准实施规范
【标准号】:ASTME2175-2001(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E12.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:appearance;appearancedifference;color;colordifference;colormatching;geometry;gonioappearance;goniochromatism;goniospectrophotometry;multianglespectrophotometry;spectrophotometry;Angularconditionsofmeasurement;Annularconfiguration;Appe
【摘要】:Thispracticeisfortheuseofmanufacturersandusersofinstrumentstomeasuretheappearanceofgonioapparentmaterials,thosewritingstandardspecificationsforsuchinstruments,andotherswhowishtospecifypreciselythegeometricconditionsofmultianglespectrophotometry.Aprominentexampleofindustrialusageistheroutineapplicationofsuchmeasurementsbymaterialsuppliersandautomobilemanufacturerstomeasurethecolorsofmetallicpaintsandplastics.1.1Thispracticeprovidesawayofspecifyingtheangularandspatialconditionsofmeasurementandangularselectivityofamethodofmeasuringthespectralreflectancefactorsofopaquegonioapparentmaterials,forasmallnumberofsetsofgeometricconditions.1.2MeasurementstocharacterizetheappearanceofretroreflectivematerialsareofsuchaspecialnaturethattheyaretreatedinotherASTMdocumentsandarenotincludedinthescopeofthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N34
【国际标准分类号】:17_180_30
【页数】:5P.;A4
【正文语种】:英语