ISO 04907-1-2023.docx

INTERNATIONA1.STANDARDISO4907-1editionFirst202304P1.asticsIonexchangeresin一Pefminationofexchangecapacityofacry1.icanionexchangeresinsReferencenumberISO4907-1.:2023(E)COPYRIGHTPROTECTEDDOCUMENT©ISO2023IUirhM*hedbdi1.iUedotherwiseupdhi.o啪InPSd1.Mc;GeatrOn1.<nm11ndtf1.*MqnIr6pW11opypMmAUonmaytheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1.oworISO'smemberbodyInthecountr)oftherequester.f),WV>fifiU81.andonnet8CH-1214Vernier,GenevaPhone：M1.22749O1.11觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andContentsForewordIntroductionCSconeIvV飞Normativereferences.4Termsanddefinitions-Princio1.e2OD7Apparatus6Samp1.es77.1Samp1.ing787.2Samp1.epreparationProcedure88.1Remova1.oftheexterna1.water88.2Watercontent8.2坳科赧由耶族roupcapacity898.5Weak-acidgroupcapacityHC<ICU1.at1.on99.1Strong-basegroupcapacity99.2Weak-basegroupcapacity910Testreport11AnneXA(normative)MmpU暗rninationofwatercontentofanionexchangeresinsbyBib1.iographyForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOmrtmiw)bMd>niK盟RAucekdHpfff1.QbbGgbodyIcommitteehasbeenestab1.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etW1.kes,s姗抬”not1.f1.fcfcww1.蝌闾IC嚓COrdanCe肺theeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewwsv.iso.org/direc1.ives).假)(¾徽ents)aWNWontakest三嬲据i帆n曲1.fiB幽硼8硒ffiHFtm部幽曲野榴IVQdaimedpatentrightsinrespectthereof.Asofthedateofpub1.icationofthisdocumentISOhadnotreceivednoticeof（八）patent(三)whichmayberequiredtoimp1.ementthisdocument.However,imp1.ementersare蜘临翻琳酬/mj，wWjSOQFg/眸IentS洗蝮油那ion,扁MMSPOn赖岫油嬲9的阳躲Ora"suchpatentrights.Anytradeusedinthisconstitutenameendorsenent.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand幽幽蛔豳酒侬遮W即辆O)assEif1.眦聚inwe帼"1.见OnBarRWyE辟dead邮&CcsVbr¼11isoorgisoforeword.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.AIntroductionadsorptiontechno1.ogyefficientextraction,concentrationchemica1.separationtechno1.ogy,whichoforganicindustry,NationsSustainab1.ehydrometaI1.urgyGoaIs(SDGS).industry，a1.mostinvo1.vingthecorecontentofdimensiona1.oppositenetworkframework,functiona1.determinedconnectedstructureexchangeab1.e,exchangeab1.emanufacturing,qua1.itysupervision,technica1.exchange,factoryinspectionandarbitration.resins.Thisdocumentspecifieshowtodeterminetheexchangecapacityofacry1.icaninnexchange23-A1.1.rightsreservedFo1.1.owingthetraditiona1.chemica1.processessuchasdisti1.1.ationandextraction,ionexchangeandimportantro1.einhasa1.sobecometypica1.andrefining.Sincerea1.izationp1.ayssynthesis,ionexchangeresinhasbecomeoneofthekeymateria1.sforexchangeandadsorption.Atpresent,theyhavebeenwide1.yusedinwatertreatmentenvironmenta1.protection,petrochemica1.theUnitedfoodandmedicine.Deve1.opmentandenergyIonexchangeresinisakindofhighpo1.ymerorganiccopo1.ymer,whichiscomposedOfinso1.ub1.cthrce-withspacecharges.Themainfeaturesgroupsbythetotheframeworkandse1.ective,adsorbab1.eandcata1.ytic.However,eventhesameresinhasdifferentpropertiesindifferentforms,suchasexchangecapacityandwatercontent,soaunifiedmethodisneededtoprovidebasisforBecauseofthespecia1.structure,acry1.icanionexchangeresinscontainnoton1.ystrong-baseandweak-basegroups,buta1.soweak-acidgroups,andthecontentofweak-acidgroupsdirect1.yaffectstheusingeffect.P1.asticsIonexchangeresin一Determinationofexchangecapacityofacry1.icanionexchangeresins1ScopeandNormativereferencesofacry1.icanionexchangeresins.constitutesrequirementsaredocument.Fordatedinreferences,on1.ySomeeditiona1.1.citedapp1.ies.contentISOTermsanddefinitionshorryuseSpecificationandtestmethodsForthepurposesofthisdoment,thefo1.1.owingtermsanddefinitionsapp1.y.ISOOn1.inebrowsingp1.atform:avai1.ab1.eathttps:/www.i50.0rg/0bp3.1standardformacry1.icanionexchangeresin3.2 strong-basegroupcapacityresins,toentry：ItIsexpressedinmi1.1.imo1.esofpergramormo1.esper1.itre(mo1.1.)ofacry1.icanionexchange3.3weak-basegroupcapacityresins,toentry:Itisexpressedinmi1.1.imo1.esofperRramormo1.esper1.itre(mo1.1.)Ofacry1.icanionexchangePart1:Thisdocumentspecifiestestmethodsofthestrong-basegroupcapacity,theweak-basegr