Mineral: |
Ferrihydrite |
Reference: |
DKJ01 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Fe(w)-OH |
Equation: |
»Fe(w)-(OH)2 + UO2<2+> ⇔ »Fe(w)-O2-UO2 + 2 H<1+> |
LogK: |
-5.505 LogK°I=0 (Conversion to I = 0): -5.51
LogK2.31 nm−2 (SSD-normalized): -3.77
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaNO3
|
Ligand Concentration Range: |
1E-6 mol/L |
Fit Method: |
Comment: |
recalibration of model of [DWP01] (data of [WDPWX94] and addition of new U(VI) adsorption data) for 30µM Fe(total) and 1µM U(total), only modification: recalibration of the stability constant for the weak uranyl complexation reaction from -6.135 (0.001 M ferrihydrite) to -5.505 |
|