[Effect of the concentration of Pb2+, Zn2+ and Cd2+ on the cation selectivity of suspended chlorite and illite]

agentes nocivos cadmio cadmium chemicophysical properties cinc contaminantes contaminantes industriales elements environment environnement facteur nuisible heavy metals illitic soils industrial pollutants injurious factors ion exchange lead medio ambiente metal metales metales pesados metals mineralogical soil types plomb plomo polluant polluant industriel pollutants procesamiento processing site factors soil types traitement type de sol zinc