Characterization of Colloidal Fe from Soils Using Field-Flow Fractionation and Fe K‑Edge X‑ray Absorption Spectroscopy Inge C. Regelink,† Andreas Voegelin,‡ Liping Weng,†,* Gerwin F. Koopmans,†,§ and Rob N. J. Comans† †
Department of Soil Quality, Wageningen University, 6700 AA, Wageningen, The Netherlands Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland § Alterra, Wageningen University and Research Centre, 6700 AA, Wageningen, The Netherlands ‡
S Supporting Information *
ABSTRACT: Colloids may facilitate the transport of trace elements and nutrients like phosphate in soil. In this study, we characterized soil colloids (