【英文标准名称】:StandardTestMethodforColorandColor-DifferenceMeasurementbyTristimulusColorimetry
【原文标准名称】:用三色激励测色法测量颜色和色差的标准试验方法
【标准号】:ASTME1347-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E12.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:比色的;比色法;测量;光学;试验
【英文主题词】:bidirectionalgeometry;color;colordifference;colorimeter;filtercolorimeter;integratingsphere;tristimulusfiltercolorimeter
【摘要】:1.1Thistestmethodcoverstheinstrumentalmeasurementofspecimensresultingincolorcoordinatesandcolordifferencevaluesbyusingatristimuluscolorimeter,alsoknownasatristimulusfiltercolorimeteroracolor-differencemeter.1.2Provisionismadeinthistestmethodforthemeasurementofcolorcoordinatesandcolordifferencesbyreflectedortransmittedlightusingeitherahemisphericalopticalmeasuringsystem,suchasanintegratingsphere,orabidirectionalopticalmeasuringsystem,suchasannular,circumferential,oruniplanar45:0and0:45geometry.1.3Becauseofthelimitedabsoluteaccuracyoftristimuluscolorimeters,thistestmethodspecifiesthat,whencolorcoordinatesarerequired,theinstrumentbestandardizedbyuseofastandardhavingsimilarspectral(color)andgeometriccharacteristicstothoseofthespecimen.Thisstandardisalsoknownasaproductstandard.Theuseofaproductstandardofsuitablestabilityishighlydesirable.1.4Becausetristimuluscolorimetersdonotprovideanyinformationaboutthereflectanceortransmittancecurvesofthespecimens,theycannotbeusedtogainanyinformationaboutmetamerismorparamerism.1.5Becauseoftheinabilityoftristimulus(filter)colorimeterstodetectmetamerismorparamerismofspecimens,thistestmethodspecifiesthat,whencolordifferencesarerequired,thetwospecimensmusthavesimilarspectral(color)andgeometriccharacteristics.Inthiscase,theinstrumentmaybestandardizedforreflectancemeasurementbyuseofawhitereflectancestandardor,fortransmittancemeasurement,withnospecimenorstandardatthespecimenposition.1.6Thistestmethodisgenerallysuitableforanynon-fluorescent,planar,object-colorspecimensofallglosslevels.Usersmustdeterminewhetheraninstrumentcomplyingwiththismethodyieldsresultsthatareusefultoevaluateandcharacterizeretroreflectivespecimens,orspecimenshavingopticalstructures.1.7Thistestmethoddoesnotapplytotheuseofaspectrocolorimeter,whichisaspectrometerthatprovidescolorimetricdata,butnottheunderlyingspectraldata.MeasurementbyusingaspectrocolorimeteriscoveredinPractice1164andmethodsoncolormeasurementbyspectrophotometry.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A26
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】: