gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.1.266 Sorption Mechanism of Sr(II) in Natural Bentonite Garrido V. Martinez M. de Pablo J. Chemical Engineering Department, UPC, 08028 Barcelona, Spain Eriksen T. E. Royal Institute of Technology, Nuclear Chemistry Department, S-100 44 Stockholm 70, Sweden Duro L. Bruno J. QuantiSci S.L., Parc Tecnolòlgic del Vallès, 08290 Cerdanyola del Vallès. Spain 1998 62A 1 502 503 Copyright © 1998, The Mineralogical Society 1998