polymère (3) méthode (3) Water (3) Ions (3) matériau (2) extraction (2) enrichissement (2) investigation (2) Scanning electron microscopy (2) Manufacturers' agents (2) Infrared spectroscopy (2) Commission merchants (2) Buildings (2) Detection (2) Reference (2) puits (1) piégeage (1) sulphate (1) sol (1) eau usée (1) fleuve (1) polymérisation (1) nickel (1) morphologie (1) mine (1) ion (1) incorporation (1) émission (1) substance chimique (1) Morphology (1)