Mg和NOM络合的原位研究

Mg和NOM络合的原位研究In-SituInvestigationofInteractionsbetweenMagnesiumIonandNaturalOrganicMatterMingquanYan,*,†YujuanLu,‡YuanGao,§MarcF.Benedetti,∥andGregoryV.Korshin§†DepartmentofEnvironmentalEngineering,TheKeyLaboratoryofWaterandSedimentSciences,MinistryofEducation,PekingUniversity,Beijing100871,China‡CollegeofChemistryandChemicalEngineering,ShenzhenUniversity,Shenzhen518060,China§DepartmentofCivilandEnvironmentalEngineering,UniversityofWashington,Box352700,Seattle,Washington98195-2700,UnitedStates∥InstitutdePhysiqueduGlobedeParisSorbonneParisCitéUniversitéParisDiderot,UMRCNRS7154,Paris,France*SSupportingInformationABSTRACT:Naturalorganicmatter(NOM)generatedinallnichesoftheenvironmentconstitutesalargefractionoftheglobalpooloforganiccarbonwhilemagnesiumisoneofthemostabundantelementsthathasmultiplerolesinbothbioticandabioticprocesses.AlthoughinteractionsbetweenMg2+andNOMhavebeenrecognizedtoaffectmanyenvironmentalprocesses,littleisunderstoodaboutrelevantmechanismsandequilibria.Thisstudyad