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1、AATCCTestMethod110-2005WhitenessofTextilesDevelopedin1964byAATCCCommit-ofapsychophysicalcolortothesumofdationsshouldbefollowedwhenoperat-teeRA34;Jurisdictiontransferredinthetristimulusvalues(see11.1)[ASTMinglaboratorytestingequipment.1983toAATCCCommitteeRA36;r
2、eaf-E284].firmed1968,1972,1975,1979,2000,3.2CIEtristimulusvalues,n.—5.ApparatusandMaterials2005;editoriallyrevised1979,1980;amountsofthreenon-realreferencecolorrevised1989(titlechange),1995;edi-stimulirequiredtogiveacolormatch5.1ColorMeasuringInstrument.Are-to
3、riallyrevisedandreaffirmed1994.withthecolorstimulusconsidered,andflectancespectrophotometerorcolorime-TechnicallyequivalenttoISO105-J02.definedbytheCIEfortheCIE1931stan-tercapableofmeasuringorcalculatingdardobserverandtheCIE1964supple-CIEtristimulusvalueswitha
4、tleastoneofmentarystandardobserverandforapar-theCIEspecifiedgeometries(45/0,0/45,1.PurposeandScopeticularilluminationcondition(see11.1).diffuse/0,0/diffuse).Whenintegrating3.3fluorescentwhiteningagentspheresareusedformeasuringfluores-1.1Thistestmethodprovidesp
5、roce-(FWA),n.—colorantthatabsorbsnearcentspecimens,thespectralpowerdistri-duresformeasuringthewhitenessandultraviolet(UV)radiationandre-emitsbutionoftheilluminatingsystemisal-tintoftextiles.visible(violet-blue)radiation.Thisteredbythereflectedandemittedpower1.
6、2Whitenessasmeasuredbythistestcausesayellowishmaterialtowhichitfromthespecimen.Theuseofthe45/0ormethodisanindicationofhowwhitethehasbeenappliedtoappearwhiter.0/45conditionisthereforepreferable(seetextileappearstoanaverageviewer.Tint,[ASTME284].11.1).ifothertha
7、nzero,isanindicationofa5.2ReferenceStandard.Theprimary3.4perfectreflectingdiffuser,n.—reddishorgreenishhuehavingshiftedstandardistheperfectreflectingdiffuseridealreflectingsurfacethatneitherab-awayfromabluishhuewithadominant(see3.4).SecondaryReferenceStandards
8、sorbsnortransmitslight,butreflectsdif-wavelengthof466nm.Theformulasforarestandardsthatarecalibratedintermsfusely,withtheradianceofthereflectingcalculationofwhitenessandtintarethose
