1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 105-J02:2000 Th
2、e European Standard EN ISO 105-J02:1999 has the status of a British Standard ICS 59.080.01 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Textiles Tests for colour fastness Part J02: Instrumental assessment of relative whitenessThis British Standard, having been prepared unde
3、r the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 August 2000 BSI 08-2000 ISBN 0 580 36125 X BS EN ISO 105-J02:2000 Amendments issued since publication Amd. No. Date Comments National foreword
4、 This British Standard is the official English language version of EN ISO 105-J02:1999. It is identical with ISO 105-J02:1997. It supersedes method J02 of BS 1006:1990. The UK participation in its preparation was entrusted to Technical Committee TCI/81, Colour fastness and colour measurement, which
5、has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them i
6、n the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to international publications with their correspondin
7、g European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue
8、. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprise
9、s a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, page ii, pages 1 to 8, the annex ZA page and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EN ISO 105-J02:1999A Referencenumbe
10、r ISO105J02:1997 (E) INTERNATIONAL STANDARD ISO 105J02 Secondedition 19971215 TextilesTestsforcolourfastness PartJ02: Instrumentalassessmentofrelativewhiteness TextilesEssaisdesoliditdesteintures PartieJ02: valuationinstrumentaledelablancheurrelative EN ISO 105-J02:1999ii Foreword ISO(theInternation
11、alOrganizationforStandardization) isaworldwide federationofnationalstandardsbodies(ISOmemberbodies).Thework of preparingInternationalStandardsisnormallycarriedoutthroughISO technicalcommittees.Eachmemberbodyinterestedinasubjectfor which atechnicalcommitteehasbeenestablishedhas the right to be repres
12、ented onthatcommittee.Internationalorganizations,governmenta landnon governmental,inliaisonwithISO,alsotakepartinthework.ISO collaboratescloselywiththeInternationalElectrotechnicalCommission (IEC)onallmattersofelectrotechnicalstandardization. DraftInternationalStandardsadoptedbythetechnica lcommitte
13、esare circulatedtothememberbodiesforvoting.PublicationasanInternational Standard requires approval byatleast7 5 %ofthememberbodiescasting avote. InternationalStandardISO 105J02waspreparedby Technical Committee ISO/TC38, Textiles,SubcommitteeSC1, Testsforcolouredtextilesand colorants. This second edi
14、tioncancelsandreplacesthefirstedition (ISO105J02:1987),whichhasbeentechnicallyrevised. ISO 105waspreviouslypublishedinthirteen“parts”,eachdesignatedby a letter(e.g.“Par t A”),withpublicationdatesbetween1978and1985 .Each partcontainedaseriesof“sections”,eac hdesignatedbytherespective partletterandbya
15、twodigitserialnumber(e.g.“SectionA01”).These sectionsarenowbeingrepublishedasseparatedocuments, themselves designated“parts”butretainingtheirearlieralphanumericdesignations.A completelistofthesepartsisgiveninISO105A01. AnnexAformsanintegralpartofthispartofISO105. EN ISO 105-J02:19991 TextilesTestsfo
16、rcolourfastness PartJ02: Instrumentalassessmentofrelativewhiteness 1Scope 1.1ThispartofISO105specifiesamethodintendedforquantifyingthewhitenessandtintoftextiles, includingfluorescentmaterials. 1.2 Whitenessasmeasuredbythistestmethodisanindicationofhowwhitethetextileappearstoan averageviewer.Tint,ifo
17、therthanzero,isanindicationofareddishorgreenishhuehavingshiftedaway fromabluish(neutral)huewithadominantwavelengthof466nm.Theformulaeforcalculationof whitenessandtintarethoserecommendedbytheCIE 1) . 1.3 Becausereflectanceisaffectedbythenatureofthesurfaceofthetextile,comparisonscanbemade onlybetweens
18、pecimensofthesametypeoftextile. 1.4Theapplicationoftheformulaeisrestrictedtospecimensthatarecalled“white“commercially,thatdo notdiffermuchincolourandfluorescenceandthataremeasuredonthesameinstrumentatnearlythesame time.Withintheserestrictions,theformulaeproviderelative,butnotabsolute,evaluationsofwh
19、itenessthat areadequateforcommercialusewhenemployingmeasuringinstrumentshavingsuitablemodernand commerciallyavailablecapabilities. _ 1)InternationalCommissiononIllumination,Vienna. EN ISO 105-J02:19992 1.5Manyimpuritiesintextilesabsorbshortwavelengthlight,resultinginayellowishappearanceto observers.
20、Therefore,ameasurementofwhitenessmaybeanindicationofthedegreetowhichatextileis freefromimpurities. 1.6Theeffectofblueingcomponentsorfluorescentwhiteningagents(FWAs)onthewhitenessoftextiles mayalsobedeterminedusingthewhitenessmeasurement. 2 Normativereferences Thefollowingstandardscontainprovisionswh
21、ich,throughreferenceinthistext,constituteprovisionsofthis partofISO105.Atthetimeofpublication,theeditionsindicatedwerevalid.Allstandardsaresubjectto revision,andpartiestoagreementbasedonthispartofISO105areencouragedtoinvestigatethepossibility ofapplyingthemostrecenteditionsofthestandardsindicatedbel
22、ow.MembersoftheIECandISO maintainregistersofcurrentlyvalidInternationalStandards. ISO105J01: 2) , TextilesTestforcolourfastnessPartJ01:Generalprinciplesformeasurementof surfacecolour. CIEPublicationNo.15.2:1986 3) , Colorimetry (secondedition). CIEPublicationNo.17.4:1987 3) , InternationalLightingVo
23、cabulary. ASTME28496b:1996 4) , ASTMTerminologyofAppearance(Revised). ASTME30896:1996 4) , PracticeforcomputingthecolorsofobjectsbyusingtheCIEsystem. _ 2)Tobepublished. 3)AvailablefromCIECentralBureau,Kegelgasse27,A1030Vienna,Austria. 4)AvailablefromASTM,100BarrHarborDrive,WestConshohocken,PA1942829
24、59USA. EN ISO 105-J02:19993 3 Definitions ForthepurposesofthispartofISO105,thefollowingdefinitionsapply: 24 3.1CIEchromaticitycoordinates. Theratioofeachofthetristimulusvaluesofapsychophysicalcolour tothesumofthetristimulusvalues. 3.2CIEtristimulusvalues . Theamountsofthreenonrealreferencecolourstim
25、ulirequiredtogivea colourmatchwiththecolourstimulusconsidered,anddefinedbytheCIEfortheCIE1931colorimetric observer(2 standardobserver)andtheCIE1964supplementarycolorimetricobserver(10 standard observer). 3.3fluorescentwhiteningagent(FWA). Colorantthatabsorbsnearultraviolet(UV)radiationandre emitsvis
26、ible(violetblue)radiationcausingayellowishmaterialtowhichithasbeenappliedtoappear whiter. 3.4perfectreflectingdiffuser. Idealisotropicdiffuserwithreflectanceofunity. NOTES 1Anisotropicdiffuserisoneinwhichthespatialdistributionofreflectedradiationissuchthattheradianceorluminan ceisthe sameinalldirect
27、ionsinthehemisphereintowhichtheradiationisreflected. 2Theperfectreflectingdiffuseristhebasisofcalibrationofreflectancemeasuringinstruments.Theequationsforwhiten essand tintareformulatedsothattheCIEconceptoftheperfectreflectingdiffuserhasawhitenessindexof100,0andatintvalue of0,0. 3.5whiteness. Theatt
28、ributebywhichanobjectcolourisjudgedtoapproachapreferredwhite. 3.6tint.Thehueofawhitematerialasinfluencedbythewavelengthofpeakemissionorreflectance. NOTEThesedefinitionsarebasedonCIEpublication15.2,CIEpublication17.4orASTME28496b. EN ISO 105-J02:19994 4 Principle TheCIEtristimulusvaluesaremeasuredusi
29、ngareflectancespectrophotometerorcolorimeter,andthe whitenessandtintcalculatedfromformulaebasedontheCIEchromaticitycoordinates. 5 Apparatusandmaterials 5.1Colourmeasuringinstrument, areflectancespectrophotometerorcolorimetercapableofmeasuring orcalculatingCIEtristimulusvalueswithatleastoneoftheCIEsp
30、ecifiedgeometries(45/0,0/45)as definedinISO105J01( d/0,0/ d).Whenintegratingspheresareusedformeasuringfluorescentspecimens, thespectralpowerdistributionoftheilluminatingsystemisalteredbythereflectedandemittedpowerfrom thespecimen.Theuseofthe45/0or0/45conditionisthereforepreferable.Ifanintegratingsph
31、ere instrumentistobeused,measurementsshould,ifpossible,bemadewiththespecularcomponentof reflectanceexcluded. 5.2Referencestandard, theprimarystandardistheperfectreflectingdiffuser(see3.4).Secondary referencestandardsarestandardsthatarecalibratedintermsoftheperfectreflectingdiffuserandareusedin thest
32、andardizationoftheinstrument. 5.3UVLamp, usedforvisualdeterminationofpresenceofFWAontextilespecimens. CAUTION:ProtecttheeyesfromUVlight.ThesafetyrecommendationsprovidedbytheUVlight manufacturershouldbefollowed. 6 Testspecimen ConditioneachspecimenasdescribedinannexA.2ofISO105J01:1997.Keepthespecimen
33、sfreeofdirt andstains.Theexactsizenecessarywilldependontheapertureofthereflectancemeasuringinstrument usedandonthetranslucencyofthetextilematerial. EN ISO 105-J02:19995 7 Procedure 7.1Beforeproceedingwithcolourmeasurements,determinewhetherornotatestspecimencontainsFWA byviewingaspecimeninadarkroomun
34、derultravioletlight.AtestspecimenthatcontainsFWAwill fluoresceundertheUVlight.Proceedasfollows. a)Iffluorescentwhiteningagents(FWAs)arepresentonthetextilematerial,makethemeasurement withaninstrumentthatilluminatesthespecimenwithpolychromaticlight(fullspectrum)andhasarelative spectralpowerdistributio
35、napproximatingCIEIlluminantD 65 from330nmto700nm(seeannexA). Consultinstrumentmanufacturersforsuitableequipment.Alsoverifythesuitabilityoftheinstrumentif flashilluminationisbeingused. b) ForthedeterminationofanapproximaterelativeefficiencyofanFWA,aninstrumentwhich permitstheinsertionofanultravioletc
36、utofffilterintotheincidentlightbeammaybeused. c) IfthetestspecimendoesnotcontainanFWA,themeasurementmaybemadeonaninstrument whichilluminatesitwitheitherpolychromaticormonochromaticlightandthespectralpowerdistributionof theilluminationwillnotaffecttheresultsobtained. NOTEThedifferencebetweenthemeasur
37、ementstakenbeforeandaftertheinsertionoftheultravioletcutofffiltercan provideanindicationoftheenhancementoftheapparentwhitenessduetotheadditionofanFWA.Becauseofpossiblevariatio ns inlightsourcesand/orultravioletcutofffilters,theuserisadvisedtousethisprocedureonlyfor“relativeinhouse“de termination. 7.
38、2 Operatethecolourmeasuringinstrumentaccordingtothemanufacturersinstructionsfor standardization.Prepareandpresenteachtestspecimenanddeterminemeasurementvalues,inaccordance withISO105J01. 8 Calculations,interpretationandlimitations 8.1Foreachaveragedmeasurement,determinetheCIEtristimulusvalue s X 10
39、, Y 10, and Z 10 forCIE IlluminantD 65 and196410observer. SeeASTME30896fordetailsoncalculationoftristimulusvaluesfromreflectancedata. EN ISO 105-J02:1999EN ISO 105-J02:19997 where T w,10 isthetintvalue; x 10 andy 10 arethechromaticitycoordinatesofthespecimen; 0,3138and0,3310are,respectively,the x 10
40、 andy 10 chromaticitycoordinatesfortheperfectreflecting diffuser. Valuesof T w,10 ,whenpositiveindicateagreenishhue,whennegativeindicateareddishhueandwhenzero indicateabluish(neutral)huewithadominantwavelengthof466nm. 9 Testreport Reporttherelativewhitenessvalue,thetintvalue,ifrequired,andtheparticu
41、larsspecifiedin ISO105J01. 10 Precisionandbias 10.1 Precision. Precisionforthistestmethodhasnotbeenestablished.Thereisnocontemplatedactivity toestablishprecisionforthismethod.Usersofthemethodshouldusestandardstatisticaltechniquesin makinganycomparisonsoftestresultsforeitherwithinlaboratoryorbetweenl
42、aboratoryaverages. 10.2 Bias. Thewhitenessandtintoftextilescanbedefinedonlyintermsofatestmethod.Thereisno independentmethodfordeterminingthetruevalues.Asameansofestimatingtheseproperties,themethod hasnoknownbias. EN ISO 105-J02:1999EN ISO 105-J02:1999EN ISO 105-J02:1999BS EN ISO 105-J02:2000 BSI 389
43、 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British
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