Organic matter Competition EXAFS NanoSIMS Speciation Ce anomaly Iron PHREEQC PHREEQC-Model VI MID-WALES Colloïdes Carbonifère Dissolved organic matter Bioreduction Identification Ultrafiltration Sol Nanoplastics Groundwater Adsorption Gabon Biogéochimie Humic acid Colloids Terres rares Reductive dissolution Binding Sorption Bio-mineralization Fer Fe oxyhydroxides Expérimentation ArsenicIII Aluminium Carbone Modeling PHREEPLOT Leaching Actinides Fe Rare earth elements Riparian wetland Carbonate Carbon Redox Iron oxide Estuary Nanoparticules Aggregation Arsenic Model VII Massif Central HYDROLOGIE PH Environment Ionic strength Column of soil Hydromorphic soil Spéciation DOC Model VI Dissolved organic carbon Modélisation Géochimie Bio-minéralisation REE Fecal stanols Matière organique GEOF Iron reducing bacteria Nanoparticles Colonne du sol Hydrology Oxyde de fer Permien Geochemistry Mount Cameroon Humic substances Bactéries ferriréductrices Magnetite nanoparticles Biogeochemistry Wetland Acide humique Characterization Métaux France Brittany IronII Metals Bio-dissolution Trace elements Agricultural catchment ICP-MS Palaeoenvironment Soil Colloid Bacteria River water reference material Complexation Fecal contamination