ASTM C1510-2001(2007) Abriged分光光度测量法测定卫生陶瓷颜色和色差的标准试验方法

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【英文标准名称】:StandardTestMethodforColorandColorDifferenceofWhitewaresbyAbrigedSpectrophotometry
【原文标准名称】:Abriged分光光度测量法测定卫生陶瓷颜色和色差的标准试验方法
【标准号】:ASTMC1510-2001(2007)
【标准状态】:现行
【国别】:
【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】:C21.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:color;hemisphericalgeometry;reflectance;reflectancefactor;spectrophotometry
【摘要】:Themostdirectandaccessiblemethodsforobtainingthecolorcoordinatesofceramicglazesandrelatedwhitewaresarebyinstrumentalmeasurementusingspectrophotometersorcolorimeterswitheitherhemisphericalorbidirectionalopticalmeasuringsystems.Thistestmethodprovidesproceduresforsuchmeasurementbyreflectancespectrophotometryusingahemisphericalopticalmeasuringsystem.Thistestmethodisespeciallysuitableformeasurementofthefollowingtypesofspecimensfortheindicateduses(SeePracticeE805.):5.2.1Alltypesofceramicglazeandrelatedwhitewarespecimenstoobtaindataforuseincomputercolorantformulation.5.2.2Ceramicglazeandrelatedwhitewarespecimensforcolorassessment.5.2.2.1Forthemeasurementofplane-surfacehigh-glossspecimens,thespecularcomponentshouldgenerallybeexcludedduringthemeasurement.5.2.2.2Forthemeasurementofplane-surfaceintermediate-gloss(satin)specimens,wherethefirst-surfacereflectioncomponentmaybedistributedoverawiderangeofangles,measurementmaybemadewiththespecularcomponentincluded,buttheresultingcolorcoordinatesmaynotcorrelatebestwithvisualjudgmentsofthecolor.Measurementwithspecularexcludedmayleadtobettercorrelations.5.2.2.3Forthemeasurementofplane-surface,low-gloss(matte)specimens,thespecularcomponentmayeitherbeexcludedorincluded,asnosignificantdifferenceintheresultsshouldbeapparent.Anestimateofglossmaybeobtainedbymeasuringthereflectionbothwiththespecularcomponentofreflectionincludedandexcluded,andthencalculatingthedifferencebetweenthetwomeasurementsatseveralwavelengthsacrossthevisiblespectrum,asdescribedin10.2.1.1Thistestmethoddescribestheinstrumentalmeasurementofthereflectionpropertiesandcolorofceramicglazesandotherwhitewaresbytheuseofaspectrophotometerorspectrocolorimeterwithahemisphericalopticalmeasuringsystem,suchasanintegratingsphere.1.2Thetestmethodissuitableforusewithmostspecimenshavinganexteriorflatsurfacelargeenoughtocoverthespectrophotometersampleport.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q31
【国际标准分类号】:71_040_50
【页数】:3P.;A4
【正文语种】: