1、INTERNATIONA1.STANDARDISO788editionSeCOnd202106U1.tramarinepigmentsCOPYRIGHTPROTECTEDDOCUMENTISO2021岫rkdea/山thUcdOthcnviscSfrafiiiiiceorrtQmrwteiehDVBiwiX(iJioiti08phnn11UatiocBhrhotocp)Mng,ptbca11onpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOa
2、ttheaddressbe1.owOr1.sOXSmemberbodyinthecountryoftherequester.%,tft晒Iandonnet8CH-1214*crnicr,GenevaPhone：M1.22749O1.11Witc:iWtfiftWSo.orgPub1.ishedinSwitzerhndContentsforewordNormativereferencesTermsanddefinitionsC1.f1.ssificationRequirementsandtestmethods5.1Appearance365.2Technica1.requirements37Sa
3、mP1.Ing4Determinationoffreesu1.fur71PnnC1.P1.B7.2 Reagentsandmateria1.s47.3 Apparatus.57.4 Procedure7.4.1 Preparationanddeterminationofthetestso1.ution57.4.2 Determinationofab1.anktestso1.ution58Determinationofthee1.ementscontent.一.一.8.18.2Reagentsandmateria1.sApparatus8.3.1 Preparationanddeterminat
4、ionofthetestso1.ution8.3.2 Determinationofab1.anktestso1.ution8.4Ca1.cu1.ationandexpressionofresu1.ts7Markingand1.abe1.1.ing8Testreport8ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsthtiugh(ISOtchn0ibMriiRj)tvcekuPWf1.PbrjGgbOdy1.nrf1.rOaiiaHI
5、6tanddki4oTOWhidbtarrtenmitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO.a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commiss
6、ion(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare蜩则搬of1.SOIEC(M1.如。蜘酶麻插蝴伽邮r%cordancetheeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewww.iso.org/direc1.ives).时歌ionrightsd般掂棚15脚蝴橱卿SnSi嘏趣出即的植般眈doc1.三崎翩舟硼hsubjectofanypatentrightsidentifieddurin
7、gthedeve1.opmerUW4iouwMM41.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecificter
8、msand哪崛硒1.%ticnc。的福P限融Mthe冲断Ih潴称小牖tion他盘什那N廓膘糊?isoforeword.htn1.ThisdocumentwaspreparedbyTechnica1.CommitteeISO/TC256,Pigments,dyestuffandextenders.Thissecondeditioncance1.sandrep1.acesthefirstedition(ISO788:1974),whichhasbeentechnica1.1.yrevised.Themainchangescomparedtothepreviouseditionareasfo1.1.
9、ows: thetit1.eofthestandardhasbeenchangedfromU1.tramarinepigmentsforpaints*to“U1.tramarinepigments*; thetostmethodoffreesu1.furhasbeenchangedtoiodometricmethod; therequirementsforfreesu1.fur,waterso1.ub1.ematterandsieveresiduearestricter; the1.imitationofthecontentsofe1.ementsandthetestmethodshavebe
10、enadded; therequirementsandtestmethodsforresistanceto1.ightandresistancetob1.eedinghavebeenadded； thenormativereferenceshavebeenupdatedandthetexthasbeeneditoria1.1.yrevised.AnyfeedbackorquestionsonthisdocumentShoUkibdi+4toIhauge1.snationa1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefoundatwww
11、iso.org/members.htm1.U1.tramarinepigments1 ScopeThisdocumentspecifiestherequirementsandcorrespondingtestmethodsforartificia1.u1.tramarine2pijtormaVtfp311ences11bbers,etc蛙网HVU破晒SMhiSrHtnt.d1.nref三ayiieedif1.6na1.1.dHies.entundatedreferences,the1.atesteditionofthereferenceddocument(inc1.udinganyamend
12、ments)app1.ies.ISO385,1.aboratoryg1.asswareHurettesISO648,1.aboratoryg1.asswareSing1.e-Vo1.umepipettesISO787-1,Genera1.methodsoftestforpigmentsandextendersPart1：Comparisonofco1.ourofpigments(8dg力dGenera1.methodsoftestforpigmentsandextendersPart2:Determinationofmattervo1.ati1.ei8G9斯？rdf新情f4均p4forpigm
13、entsandextendersPart3:Determinationofmatterso1.ub1.e1.9y87-5,Genera1.methodsoftestforpigmentsandextendersPart5：Determinationofoi1.absorption，次传87映R哪1帕加)附叫屈际邠B的限ntsandextendersPart7：DeterminationofresidueonKIy守8早9,用领fIPmethOdSoftestforpigmentsandextendersPart9:DeterminationofpHva1.ueofanft67W”ns.;ire
14、nctMricierthanthere1.evantnationa1.1.;iwsandrruhticn.itsha1.1.be6 Samp1.ingTakearepresentativesamp1.eoftheproducttobetested,asdescribedinISO15528.7 Determinationoffreesu1.fur7.1 Princip1.eThefreesu1.furinthesamp1.ereactswithanhydroussodiumsu1.fite.TheproductionofsodiumEhibsu1.fateReagentHo1.dtenniii
15、ixfrtiateriaIsiodometricmethod.Useon1.yreagentsofrecognizedana1.ytica1.gradeandwaterofat1.eastgrade3asspecifiedinISO3696.7.1.1 Sodiumsu1.fite,anhydrous,CAS-No7757-83-7.7.1.2CAS-NoForma1.dehydeso1.ution.Disso1.ve8m1.forma1.dehydeso1.ution37,0%to40,0%(massfraction),7.1.3 42Aceticacidso1.ution,30%(vo1.
16、umefraction).Disso1.ve30m1.aceticacid99,5%(massfraction),7.1.4No76811.1.0)so1.ution.Weigh1000,13iodine(CAS-No7553-S6-2)bott1.e0.35potassiumiodide(CAS-7.1.5 Sodiumthiosu1.fatestandardtitrationso1.ution,c(Na2S2O3)=0,1mo1.1.7.1.6 So1.ub1.estarchso1.ution,5g1.U)8)/HfateSOdiUmthiosu1.fatestandard=0r002mo
17、1.1.Di1.utethesodium7.3ApparatusUseordinary1.aboratoryapparatusandburettes,pipettesandone-markvo1.umetricasksinaccordancewiththerequirementsofISO385,ISO648andISO1042,respective1.y,togetherwiththefo1.1.owing.7.3.1 Conica1.f1.ask,250m1.withanarrowneckandequippedwithaground-g1.assstopper.7.3.2 Vo1.umet
18、ricf1.ask,250m1.7.3.3 Pipette,20m1.,25m1.,50m1.7.3.4 E1.ectricheatingboard.7.3.5 Burette,50m1.,graduatedin04m1.divisions.科6曲rewithanaccuracyof0,1mg.7.4.1 Preparationanddeterminationofthetestso1.utionCarryoutthedeterminationindup1.icate.WeiItowT仲sto$0喟.K虫!itTeMu讪Smer.BUimnEnDga酢AmebiEUrth(FadQkttcoo1
19、downtoroomtemperatureandtransferthemixtureintoa250m1.vo1.umetricf1.ask(7.3.2).Di1.utetheso1.utiontosca1.ewithwaterandmixwe1.1.Storethemixtureforabout60minorseparateitusinga好展Q的PCrnatantf1.uidusingasing1.e-1.inepipetteandpouritintoa250m1.Add50m1.forma1.dehydeso1.ution(7.2.2)tothetestso1.ution,shakei
20、tfor5min.Add5m1.aceticacid研限温Ur患眇e匹&F吸瞅状呢和ftWX曲蜡IU浒/腕1so1.uX%而牖PIe1.dUsua1.1.yso1.ub1.estarchso1.ution(7.2.6)andtitratetheexcessiodinewithsodiumthiosu1.fatestandardtitrationso1.ution(7.2.7).Recordthevo1.umeofsodiumthiosu1.fatestandardtitrationso1.utionasV.7.4.2 Determinationofab1.anktestso1.utionExc
21、eptforaddingsamp1.es,carryoutab1.anktestexact1.ythesamewayasthesamp1.etest,usingtheSmndarduiarAtibnnu1.9emutentica1.ana1.ysisprocedures.Recordthevo1.umeofsodiumthiosu1.fate7.5Ca1.cu1.ationandexpressionofresu1.tsCa1.cu1.atethefreesu1.furcontenttasmassfractioninpercent,accordingtoFormu1.a(1):whereVzis
22、thevo1.ume,inmi1.1.i1.itres,ofsodiumthiosu1.fatestandardtitrationso1.utionintheb1.anktest;Piisthevo1.ume,inmi1.1.i1.itres,ofsodiumthiosu1.fatestandardtitrationso1.ution,whichisconsumedbythetitrationsamp1.e；cistheexactva1.ueoftheconcentration,inmo1.esper1.itre,ofsodiumthiosu1.fatestandardtitrationso1
23、ution；misthenumerica1.va1.ueofthesamp1.emass,ingrams；0,0320isthemassofsu1.furequiva1.entto1,00m1.iodineso1.utionc(1./22)=1000mo1.1.8Determinationofthee1.ementscontent8.1 Reagentsandmateria1.sWARNING-Nitricacidandhydrof1.uoricacidarecorrosiveandtoxic.There1.atedoperationssha1.1.beperformedinfumehood
24、Thisdocumentdoesnotpointouta1.1.possib1.esafetyprob1.ems1anditistheresponsibi1.ityoftheusertotakepropersafetyandhea1.thmeasures,anddeterminetheapp1.icabi1.ityofregu1.atory1.imitationspriortouse.Useon1.yreagentsofrecognizedana1.ytica1.gradeandwaterconformingtograde3asspecifiedin9J6tricacid,CAS-No769
25、7-37-2,about65%(massfraction).8.1.2Hydrof1.uoricacid,CAS-No7664-39-3.about40,0%(massfraction).0tAnEVHAWifIn3弼*明刚I1.W/多“哂16格Ca1.taWcdhromium,1.ead,mercury,antimony,8.2 ApparatusUseordinary1.aboratoryapparatustogetherwiththefo1.1.owing:8.2.1 (AAS),inductive1.yp1.asma-optica1.forexamp1.e,atomicSpectros
26、copyAna1.ytica1.instrumentwithanappropriatedetectionIiinittSpcctroscopy(ICP-OES),Ctcabsorption823RitrnreMVeidi则Hanimsntrtibt)炉nbec1.oseddigestion,withtemperaturecontro1.device.8.2.4 Vo1.umetricf1.ask,hydrof1.uoricacidresistant,50m1.,100m1.8.2.5 Fi1.termembrane,withtheaperturesizeof0,45m.anddriedcont
27、ainersusing.shou1.dbesoakedinnitricacidso1.ution(8.2.6)for24h1thenwashedWithwater8.3 Procedure8.3.1 Preparationanddeterminationofthetestso1.utionProducednitricso1.ution,C1.osem1.thehydrof1.uonctank8.1.2p1.acedropwise,therespective1.y.digestioninstrumentofone-markvo1.umetricf1.asksma1.1.amountpwater.
28、Quantitative1.ytransferthedigestionso1.utionintoe1.ementsinana1.ytica1.instrumentthereagentappropriatedetection1.imittodeterminethecontentofana1.ytica1.instrumentsinthetestreport.8.3.2 Determinationofab1.anktestso1.utionsameCa1.CU1.ationreagent,expressionana1.ysisprocedures.m1)oVFm8.5Detection1.imit
29、ofthetestmethodStandard1.innta1.ionofSamp1.estandard.va1.ues.detcctionsamp1.eb1.ankVa1.uesmethodsdetermined1.aboratories.8.2.6Nitricacidso1.ution,waterandnitricacid(8.1.1)withavo1.umerat100f1to1.A1.1.g1.assbeforeWeighabout0,1gto0r2-g(tothenearestOr1mg)ofxb-amp1.eintoamicrowavedigestiontankandadd9m1.
30、Iheacid(8.1.1),1digestionacid(and)itintomicrowaveWhenbubb1.esare(8.2.3).Settheappropriatedigestionconditions.Afterthemicrowavedigestioniscomp1.eted,coo1.downthedigestiontanktoroomtemperatureandthenopenit.Washtheinnerwa1.1.andinnercoverathedigestiontankwith(8.2.4).Makeoftothemarkwithwater,stopperitan
31、dmixwe1.1.Fi1.tertheso1.utionwithafi1.termembrane(8.2.5),Testtheso1.utionwithin24h.Se1.ectthethetestso1.utionandwithb1.ankso1.ution.Refertotheinstrumentsoperationmanua1.beforethedetermination,andinc1.udetheinformationofExceptforaddingsamp1.es,carryouttheb1.anktestexact1.ythesamewayasthesamp1.etest,u
32、singthe8.4amountofandbyidentica1.ofresu1.tsCa1.cu1.atethecontentofthee1.ements,accordingtotheFormu1.a(2):whereisthecontent,inmi1.1.igramsperki1.ogram,ofthee1.ement;istheconcentration,inmi1.1.igramsper1.itre,ofthee1.ementinthetestso1.ution;istheconcentration,inmi1.1.igramsper1.itre,ofthee1.ementinthe
33、b1.ankso1.ution;isthetota1.vo1.ume,inmi1.1.i1.itres,ofthetestso1.ution：isthedi1.utionrat100fthetestso1.ution;isthemass,ingrams,ofthetestsamp1.e.Theresu1.tisthemeanva1.ueofdup1.icatedeterminationresu1.ts.Thedetection1.imitofthemethodstodeterminethecontentofthee1.ementsshou1.dnotexceedonetenthofdeviat
34、iontheb1.ankTheThe1.imitofthetestsha1.1.beisgenera1.1.ybythreetimesthe9Markingand1.abe1.1.ingTheouterpackingsha1.1.bec1.ear1.ymarkedinavisib1.e1.ocation：manufacturernameandaddress,pojuct1.rwnhtwp!(ybrand,netweightandbatchnumberorproductiondateanda1.abe1.sayingkeep10TestreportThetestreportsha1.1.inc1
35、udeat1.eastthefo1.1.owinginformation:a) a1.1.detai1.snecessarytoidentifytheproducttested;b) areferencetothisdocument,i.e.ISO788:2021：theresu1.tsthetest,c) specification1.imits；themethodused,andwhetherornottheproductcomp1.ieswiththere1.evantd)anydeviationfromthemethodoftestspecified;e)anyunusua1.features(anoma1.ies)observedduringthetest；0thedateofthetestICS87.060.10PriCebasedon8pages
