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1、5SOInternationa1.StandardISO3549Thirdedition2024-02Zincdustpigmentsforpaints一SpecificationsandtestmethodsPigmentsabasedepoussieredezincpourpeintures一Specificationsetmethodesd,essaiReferencenumberISO3549:2024(en)COPYRIGHTPROTECTEDDOCUMENTISO2024WintGhcdBdHUWwdotherwiseC帅刖FtidrtiW1.Centtom11)nimjhiRi1
2、1kdiCgf4tuAcnprip0mionticnmaytheinternetoranintranet,withoutpriorwrittenpermission.PermissiononberequestedfromeitherISOattheaddresshe1.oworISOsmemberbodyinthecountryoftherequester.b,Vyfrfiandonnet8CH-1214Vcmicr,GenevaPhoae:*41227490111聊独te:薪括嬴OQrgPub1.ishedinSwitzer1.andContentsPageForewordScope13No
3、rmativereferences1Termsanddefinitions1Requiredcharacteristicsandto1.erancesSamp1.ing3Determinationofresidueonsieve36.1Princip1.e362即ParatUS.一.36.3EhKtthKendc1.eaningthesieve6.5Expressionofresu1.ts5Determinationoftota1.zinccontent67.1 Princip1.e7.2 Reagents7.3 Procedure7.3.1 Testportion7.3.2 Determin
4、ation7.4 Expressionofresu1.ts1238.8.8.Princip1.eReagentsandmateria1.sProcedure7.4.1 Genera1.7.4.2 Testportion7.4.3 Dc1.crminationDeterminationofIeadfcadmiumandironcontent109.1 Princip1.e109.2 109.3 119.4.1Testportion11942PreParatIonOftestSo1.UUonS.11iI10Determinationofarseniccontent1310.1 Princip1.e
5、13102ReagentSandmateria1.s1310.4 情IiueI、10.4.1 Preparationoftheca1.ibrationgraph1510.4.2 TestportionISPreparationofthetestso1.ution10.4.3 Determination1610.5ExpressionOfresu1.ts18Determinationofch1.oridecontent1811.1 Princip1.e1811.2 Reagentsandmateria1.s1811.3 Jcure-18Hi11.4.1Preparationoftheca1.ib
6、rationgraph19211,42Determination.-19Determinationofmatterinso1.ub1.einacid1912.1 Reagentsandmateria1.s1912.2 APPardtuS1912.3 1.S1.1.b1.portio11,*.1912.3.2Determination201312.4Expressionofresu1.ts20Testreport20Bib1.iography21ForewordISO(theInternationa1.OrganizationforStandardization)isaWOHdwidefeder
7、ationofnationa1.standardsIMdIiest触UimatbnnbtidM明岷IWnribefPrbPdNMEtetfndtiOna1.StauddrPTatiiitfcrefeneBcesigftt三8隔由将entsd(en丽err三H9伯秋触W胭ifiea0f1.1.三Hg丽WOMutesthe1.atesteditionofthereferenceddocument(inc1.udinganyamendments)app1.ies.也槐STestsievesMeta1.wirec1.oth,perforatedmeta1.p1.ateande1.ectroformed
8、sheetNomina1.sizesofISO3696,Waterforana1.ytica1.1.aboratoryuseSpecificationandtestmethodsffT93R相WdIW4efiniUnsrawmateria1.sforpaintsandvarnishesSamp1.ingForthepurposesofthisdocument,thefo1.1.owingtermsanddefinitionsapp1.y.ISOandIECmaintaintermino1.ogydatabasesforuseinstandardizationatthefo1.1.owingad
9、dresses:ISOOn1.inebrowsingp1.atform:avai1.ab1.eatMfH/WWWFge1.j-11ECE1.ectropedia:avai1.ab1.eathttps:WWW.e1.eciropedia.org/zincdustpigmentfinegreypowderofessentia1.1.yspheroida1.partic1.es,main1.yconsistingofmeta1.1.iczincfuttid(2tiacrndiytihution,pm11nd)todpai11tdiamtty(rtrtHkSnetUuitfidnnteHt1.te11
10、titfi1.wQWM%dD1.ymbtc,zincdustbehaviourinpaintswithregardtoparameterssuchasdispersibi1.ity,finenessofgrind,reactivity,e1.ectrica1.conductivityandpackingproperties.4Requiredcharacteristicsandto1.erances4.1Eorznc4u-pigmcntsconformingtothisdocument,theessentia1.requirementsarespecifiedinTabIe1.andTab1.
11、eZ.Table 1 -CompositionofzincdustpigmentNOTEtheIneta1.1.iczinccontentcontent1.a244requireoconformtothrequirementsgiveninTab1.e1and1.ab1.e2.IMiKmwPIaSna-optiispectroscopy3Myta1.teiqueforanaisThei11s11metissdecomposedbyinteneheatintoC1.oudofhotgasBScontainingfreeitomsandionsofthee1.ement(三)DfSamPIeThe
12、hightheatomsorionstheirexcitedoftheydecayandstatestherma1.orradiative(emission)energytransitions.DuringICP-OESana1.ysis,theintensityofthe1.ightImKtedatspecificwave1.engthsismeasuredandusedtodeterminetheconcentrationofthee1.ement(三)ofoftheeve1.sfori*tttihdSiZaM妣瘀dhpcrturcsameResidUOfiti1.ewcitedIarge
13、q感需出那nemittheir)Industrytermmeaningtheva1.ueofthepartidediameterbe1.owwhich50%ofthepartdcsfe1.1.inthecumu1.ativepartic1.esizedistribution.Itisa1.soknownasthemediandiameter.characteristicradiationatthesametime.Thisresu1.tsinthef1.exibi1.itytochoosefromsevera1.differentemissionsconcurrent1.yanda1.1.ow
14、sdetectionofmu1.tip1.ee1.ementsconcurrent1.y.SampUPparation-fop4CP0ESana1.ysisisverysimi1.artothesamp1.epreparationforatomicabsorption(AA;seeC1.ause9andC1.ause10)withavariant.(0,50000r0002)gofsamp1.eisdisso1.vedin100m1.5%(vo1.ume除口的的黑福的厕怖yfrt三y.阳M脚曲HHH祸丽麻刖Va他银川阳而悔战VO1.UmMHUharefurtherdi1.uted(1/200)
15、with5%(vo1.umefraction)HNO3whi1.eaddingSOg1.ofSc1Y,Rhand1.uasinterna1.standards.ICPmeasurementandstandardpreparationcanbederivedfromISO22036.5 Samp1.ingakeJfiQresqiiativesanp1.ethejrocttp1.btested,inaccordancewi.IS015528.,.WARN1.NGThesampTetsnaTInorbe(rebeforetestingandanyportionoftnesamp1.enotuseds
16、ha1.1.notbereturnedtothesamp1.econtainerafterhavingbeenmanipu1.ated.6 Determinationofresidueonsieve6.1 Princip1.eAsuitab1.etestportionofthesamp1.eispassedthroughanair-jetsieveapparatus,havingsieveswithnomina1.A1.PfraInStU45m,75mand125m.Theresidueoneachofthesesievesisdetermined.6.2.1Sievts,circu1.ar1
17、Siemgareaof200andapertur75mconformingtnnspire6.2.2 Air-IetsieftapparattK(seeFure1consistingqr1.indrkwhichcontainsasiene2.1).theinjectionofair.辆0Of1.MinHvetyWW爽te*to劭同Sie吨好咄MZOre叫rw脓昵叫iHrtrotaKgistsJ.所rs1.of时ipmwdi1.M伙Bkdthesieve,preventingthepowderpartic1.esfromsett1.ing.Theairisextractedthroughtheo
18、ut1.et,drawingthefinerpartic1.esthroughthesieve.Theowofairiscontro1.1.edbyadjustingas1.otattheout1.etThevacuumobtainedsha1.1.be1250Paor1.ower.Key2 sieve3 casing4 rotatingjet：6adjustab1.es1.otAirin1.et.hToextractorfan.Figure1-Air-jetsieveapparatus6.2.3switchStoppingcxamp1.eastopwatch).appaMiue6.2.2).
19、nearest1sorbetter.Itmaybeequippedwitha6.2.4Ana1.ytica1.ba1.ance,capab1.eofweighingat1.east50gtothenearest1mg.6.2.5MaHe1.of1.ightconstruction,withap1.astichead,suitab1.efortappingtheapparatustodis1.odgepowderadheringtothe1.idandsieve.6.2.6 C1.eanbrush6.2.7 Staiii1.ess-Stee1.boat6.3Checkingandc1.eanin
20、gthesieveCheckthatthesieveisc1.ean,undamagedandnotb1.ockedbymateria1.usedinapreviousdetermination.Amagnifyingg1.assofsufficientmagnificationisrecommendedtoaidthisinspection.Ifc1.eaningofthesieveisnecessary,anu1.trasonicsystemisrecommendedforthispurpose.Itisa1.sopossib1.etodeanthesievebyturningitupsi
21、dedownonac1.eansheetofpaperandtappingvigorous1.ytoe1.iminateMPWM的gdes.Caroutthedeterminationindup1.icate.Weigh,tothenearest1mgratestportionofapproximate1.y50g(no).6.4.2Securethe45msieve(6.2.1)inpositioninthesieveapparatus(6.2.2)andtransferthetestportiontothe6.4.3 Coversievetransparent1.id.svritchont
22、heextractorfanappaMU62.2)andUpandsiw1.ight1.ydis1.odgeadheringpartic1.es.6.4.4After$switchapparatusre三ethetransparentRecwrthesewresidueturningupskkdeanpartic1.esarcrecovered.6.4.5 Weighstain1.ess-stee1.boat(6.2.7)tothenearest1mg(n).Transferthesieveresiduetoitandreweigh6.4.6Repeattheoperationsdescrib
23、edin6.4.1to6.4.5withthe75msieveandthenwiththe125msieveon6.5Expressionofresu1.tsmowheremoisthemass,ingrams,ofthetestportion;miisthemass,ingramsrofthestee1.boat;mzisthemass,ingramsroftheboatandthesieveresidue.K此int申融)kr8urePpMBheatOS)IfeRwKh*e.sievedifferbymorethanonetenthofthemaximum1.imitforthatCa1.
24、cu1.atethemeanoftwova1.idresu1.ts(rep1.icates)andreporttheresu1.ttothreedecima1.p1.acesforthe125msieve,twodecima1.p1.acesforthe75msieveandonedecima1.p1.aceforthe45msieve.7Determinationoftota1.zinccontent7.1 Princip1.eThezincistitratedagainst(ethyienedinitri1.o)tetraaceticacid(EDT)so1.ution.7.2 Reage
25、ntsDuringtheana1.ysis,useon1.yreagentsofrecognizedana1.ytica1.gradeandon1.ywaterofat1.eastgrade3purityasspecifiedinISO3696.7.2.1Hydroch1.oricacid,CASRegistryNUmber#3)7647-01-0,concentrated,37%(massfraction),P1.,19gm1.7.2.2Hydroch1.oricacid,CASRN7647-010,di1.uted1+4.Di1.ute200m1.ofconcentratedhydroch
26、1.oricacid(7.2.1)to1Iwithwater.7.2.3Su1.furicacid,CASRN7664-93-9,di1.uted11.S1.ow1.yadd,whi1.ecoo1.ing,1partbyvo1.umeofconcentratedsu1.furicacidapproximate1.y96%(massfraction),p1,84gm1.to1partbyvo1.umeofwater.7.2.4Nitricacid,CASRN7697-37-2,concentrated,approximate1.y68%(massfraction),p1,42gm1.7.2.5A
27、mmoniaso1.ution,CSRN1336-216,approximate1.y25%(massfraction),p0,81gm1.7.2.6 BufTerso1.utionDisso1.ve200gofhydroxy1.ammoniumch1.oride(NHzOH-HCI)(CASRN5470-11-1)inapproximate1.y300m1.oftwrte.s1.sSuinR28。拒(MdtediuhjWithdfiSwater.RN1310-73-2)inapproximate1.y300m1.ofwater.Combinethe7.2.7(Ethy1.enedinitri
28、1.o)tetraaceticacid(EDTA),(Iisodiumsa1.tdihydrate,CASRN6381-92-6,Standardvo1.umetric7.2.7.1 PreparationWeigh,tothenearest1mg,about20gofdisodiumEDTAdihydrate,disso1.veinwaterandmakeupto1I.Storeinapo1.yethy1.enebott1.e.7.2.7.2 StandardizationWeigh,tothenearest1mg,appw4n)ate1.y1,5gof99,99%pureZinemeta1
29、1w)intoa250m1.beaker.Disso1.vetnaite1.qGhytim由kjyicin111.7Jsijaui1.endiidd1.isiQjiunKaofupnitiwthey%)OfThiSproductnamed.Equiva1.entproductsmaybeusediftheycanbeshownto1.eadtothesameresu1.ts.Ca1.cu1.atethezincequiva1.entoftheEDTAso1.ution,p(Zn),expressedingramspermi1.1.i1.itre(i.e.themass,ingra【脆ZmemC
30、且comp1.exwith1m1.ofEDTAso1.ution),usingFonnuU(2):5OOVoIOVomwheremoisthemass,ingrams,ofzincmeta1.used：Kdisthevo1.ume,inmi1.1.i1.itres,ofEDTAso1.utionusedforthetitration.Carryoutthetitrationthreetimesandca1.cu1.atethemeanva1.ueofthezincequiva1.entp(Zn),ingramspermi1.1.i1.itre.7.2.8Xy1.eno1.orange,CASR
31、N1202864-39-8,1g/1.indicatorso1.utionofthesodiumsa1.tinwater.7.2.9Broniothymo1.b1.ue,CASRN76-59-5,1g/1.indicatorso1.utionin96%(vo1.umefraction)ethano1.7.3Procedure7.3.1 TestportionWeigh,tothenearest1mg,1,5gofthesamp1.e(mi)intoa250m1.beaker.7.3.2 DeterminationCarryoutthedeterminationindup1.icate.RikJ
32、q丽板3tensDWttm2/猫CBw幽1师舱dbW也Qtt中太耐郴U1.fQmO1.dd森系B)郴1evaj州RMniMWdensewhitefumesappear.Coo1.,thenadd100m1.ofwater,boi1.forashorttimeanda1.1.owtostandunti1.thefo1.1.owingday.UeMbfIm朴摩MifU典宙SinIer旦i&raisone淄川ffiWA钿IKi姨40hMt忸，)；S(WtffibrtA91.ff1.wco1.ourreturns.Fina1.1.yadd20nUtufferso1.ution(7.2.6)and3dr
33、opsofxy1.eno1.orangeindicator(7.2.8)andtitratewithEDTAso1.ution(7.2.7)unti1.thered舔)ur能图8然两如ItSCa1.cu1.atethcJMa1.dnciCttn1.fiiU,w(Zn)trexpressedasapercentagebymass,usingFonnu1.af3)：1000K)(Zn)w(Zn)=miwheremiisthemass,ingrams,ofthetestportion；P(Zn)isthezincequiva1.ent,ingramspermi1.1.i1.itre,oftheEDTAso1.ution;Viisthevo1.ume,inmi1.1.i1.itres,ofEDTso1.utionused.Ifthetworesu1.ts(dup1.icates)differbymorethan0,5%(massfraction),repeattheprocedure.8CaDtifceatkinatiomuo1.intitfiUk1.ts4in!eovt1.tttdreporttheresu1.ttoonedecima1.p1.ace.8.1 Princip1.eIron(III)su1.fateso1.uti
