Mineral: |
Ferrihydrite |
Reference: |
KFK20 |
SCM Type: |
TL - Triple Layer |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Fe-OH |
Equation: |
2 »Fe-OH + UO2<2+> ⇔ (»Fe-O)2-UO2 + 2 H<1+> |
LogK: |
-2.73 ± 0.07
LogK2.31 nm−2 (SSD-normalized): -0.86
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
NaNO3
|
Temperature: |
298.15 K |
pH Range: |
3 - 12 |
Ligand Concentration Range: |
1.2E-8 mol/L |
Fit Method: |
PEST |
Comment: |
extended TLM; constants based on siteoccupancy
standard states; 0.01 or 0.1 M NaNO3; 0.016 or 0.16 g/L ferrihydrite |
|