ISO 04907-3-2023.docx

INTERNATIONA1.STANDARDISO4907-3editionFirst202304P1.asticsIonexchangeresin一忸褥豺Iinatioi1.ofexchangecapacityofanionexchangeresinsinhydroxideformReferencenumberISO4907-3:2023(E)©ISO2023COPYRIGHTPROTECTEDDOCUMENT©ISO2023IUirhM*hedbdi1.iUedotherwiseupdhi.o啪InPSd1.Mc;GeatrOn1.(nm11nr1amaqmr6pW11opyp>iiuonmaytheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1.oworISO'smemberbodyinthecountr)oftherequester.f),WV>fifiU81.andonnet8CH-1214Vernier,GenevaPhone：M1.22749O1.11觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andContentsForewordIntroductionSconeIvV11.Normativereferences13Termsanddefinitions14Princip1.e25Reaeents267OApparatus-4Samp1.es57.1Samp1.ing5Q7.2Samp1.eDreoaration5OProcedure68.1Genera1.2MMaia2ii22-68.2Tota1.exchangecapacity69Ca1.cu1.ation79.1Tota1.exchangecapacity79.2Strong-basegroupcapacitymm.m.m.mm.m.mm.710Testreport一_8AnnexA(normative)Samp1.ing9Bib1.iography11ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOm11tambif1.i>niKhvcekdHpraptaingbody1.ntttaMiaftbtanddjttetg(nowRIIyS门t<h<jra1.committeehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenancearedyiFFHSOfISo雇附ff三ves点曲d1.m°t1.Mta龈阅MxordanceJ距theeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewwsvjso.org/dircc1.ives).而解熊nts)a%WMakeS幽嬲据i帆n曲%腿榔圈碘68确啊nm舸酗即Adec1.aimedpatentrightsinrespectthereof.Asofthedateofpub1.icationofthisdocumentISOhadnotreceivednoticeof（八）patent(三)whichmayberequiredtoimp1.ementthisdocument.However,imp1.ementorsare懈怖翻琳躺/mj，wWjSOQFg/眸IentS洗蝮油那ion,扁所柏SPO虑袂岫油嬲部忸t躲Ora"suchpatentrights.Anytradeusedinthisconstitutenameendorsenent.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand幽幽蛔豳酒侬遮W即辆O)assEif1.眦聚inwe帼s宛嘛丸nBar泄机JSdead曲跳CS槐r¼11isoorgisoforeword.htmI.Thisdocumentwaschemica1.properties,preparedbyTechnica1.CommitteeISO/TC61,P1.astics,SubcommitteeSC5,Physica1.-AIistofa1.1.partsintheISO4907seriescanbefoundontheISOwebsite.由珏拼占6“典fiftsHHiesthismRMeHftKFhoUWWW!而图membeKft1.i命nationa1.standardsbody.AIntroductionExchangecapacityoftendeterminestheperformance.Inpractica1.use,theanionexchangeresinisUftmRISeCgna期用ddkteyde<wfiRM3<)dk11M1.aadoHtaa<1.temIiIgjSbischangtoofimenCPto0tdhowtodeterminetheexchangecapacityofanionexchangeresinsinhydroxide(oramine)form.P1.asticsIonexchangeresin一Determinationofexchangecapacityofanionexchangeresinsinhydroxideform1ScopeandNormativereferencesofthestyreneanionexchangeresinsinhydroxideform.constitutesrequirementsaredocument.Fordatedinreferences,on1.ySomeeditionaIIcitedapp1.ies.contentISO3696,Waterforana1.ytica1.1.aboratoryuseSpecificationandtestmethodsexchangeresinsinhydroxideform3TermsanddefinitionsISOandIECmaintaintermino1.ogica1.databasesforus©inStandardiZatiOnatthefo1.1.owingaddresses:3.1 IECE1.ectropedia:avai1.ab1.eat411www.e1.e<4FopedFghydroxideformstyreneanionexchangeresinweak-basegroups1.texistinggenera1.freeamineInc1.udesthestrong-basegroupsexistinginhydroxideformandthe3.2tota1.exchangecapacityNote1toentr>r:Itisexpressedinmi1.1.imo1.espergramorinmo1.esper1.itreofanionexchangeresins,strong*basegroupcapacityNote1toentry：Itisexpressedinmi1.1.imo1.espergramorinmo1.esper1.itreofanionexchangeresins.Part3:Thisdocumentspecifiestestmethodsofthetota1.exchangecapacity,thestrong-basegroupcapacity2theweak-basegroupcapacityThefo1.1.owingdocumentsofthisreferredinthetextsuchawaythattheoroftheirForundatedreferences,the1.atesteditionofthereferenceddoment(inc1.udinganyamendments)app1.ies.ISO4907-2:2023,P1.asticsIonexchangeresinPart2:DeterminationofwatercontentofanionForthepurposesofthisdocument,thefo1.1.owingtermsanddefinitionsapp1.y.ISOOn1.inebrowsingp1.atform:avai1.ab1.eathttps:/www.iso.org/obpionictypeofstyreneanionexchangeresinsregeneratedbysodiumhydroxideso1.utionundertheconditionsspecifiedinthisdocumentNote1coentr),:aintermChatform.quantityofactivegroupsinhydroxideformstyreneanionexchangeresin(3.1)thatcanexchangewithstrongacidundertheconditionsspecifiedinthisdocument3.3quantityofacti