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