Effects of nanoparticle aggregation on metal sorption, desorption and speciation Kim, C. S. ; Dale, J. A. ; Stegemeier, J. P. ; Lentini, C. J. ; Reinsch, B. C. ; Gilbert, B. Abstract Publication: Geochimica et Cosmochimica Acta Supplement Pub Date: July 2008 Bibcode: 2008GeCAS..72R.470K