Abstract
A method is described which can be used to investigate the interaction of dissolved metals with particulate material. Low level concentrations (10−9M) of rare earth radiotracers were used to investigate their sorption onto synthetic mineral oxide surfaces. The preparation of rare earth radiotracers by neutron activation is discussed in detail. A kinetic approach was employed to investigate the interaction of dissolved metals and suspended mineral oxides. Amorphous iron oxyhyroxide, a phase commonly found in nature, was used in sorption experiments carried out in seawater at pH 7.8 and 2°C. Results of this study indicate a high affinity of the rare earth elements (REE) for the iron oxide surface (evidenced by fast uptake and high partition coefficients) and reveal a fraction between light and heavy REE.
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Koeppenkastrop, D., Decarlo, E.H. & Roth, M. A method to investigate the interaction of rare earth elements in aqueous solution with metal oxides. Journal of Radioanalytical and Nuclear Chemistry, Articles 152, 337–346 (1991). https://doi.org/10.1007/BF02104687
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DOI: https://doi.org/10.1007/BF02104687