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