temps (durée) (1) sulphate (1) spectroscopie (1) solvant (1) élimination (1) polymère (1) métal (1) matériau (1) lixiviation (1) anion (1) analyse (1) ammonium (1) extraction (1) dosage (1) investigation (1) chrome (1) adsorption (1) Control (1) Ethylene glycol (1) Scanning electron microscopy (1) Time (1) Surfaces--Areas and volumes (1) Sulfates (1) Styrene (1) Spectrum analysis (1) Particles (1) Methanol (1) Materials (1) Leaching (1) Ions (1)