UHumicpaper.pdf (584.65 kB)
Download fileStability constants of U(VI) and U(IV)-humic acid complexes
journal contribution
posted on 2007-11-30, 15:20 authored by Peter Warwick, Nicholas D.M. Evans, Tony Hall, Gareth Walker, E. SteiglederConditional stability constants have been determined for U(IV) and U(VI)
Boom Clay humic acid (BCHA) and Aldrich humic acid (AHA) complexes,
under anaerobic and carbonate free conditions. The constants are needed for
nuclear waste repository performance assessment purposes. The U(IV)
constants were obtained by developing an approach based on the solubility
product of amorphous U(OH)4. The U(VI) constants were obtained by
applying the Schubert ion exchange approach.
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