Mineral: |
Ferrihydrite |
Reference: |
GDB09 |
SCM Type: |
CDM - (CD-)MUSIC |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Fe(s)-OH |
Equation: |
2 »Fe(s)-OH<0.5-> + UO2<2+> + H2O ⇔ (»Fe(s)-OH)2-UO2(OH) + H<1+> |
LogK: |
2.69 LogK°I=0 (Conversion to I = 0): 3.01
LogK2.31 nm−2 (SSD-normalized): 0.76
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
0.089 g/L |
pH Range: |
2.5-10 |
Ligand Concentration Range: |
1E-8 or 1E-7 mol/L |
Fit Method: |
MINTEQ |
Comment: |
refitted data from [P99]; the amount of solid correspond to a total Fe content of 1mmol/L (89 mg/L as Fe2O3*H2O) |
|