Mineral: |
Goethite |
Reference: |
SPH08 |
SCM Type: |
1pK-BS - 1pK-Basic Stern |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Fe-singly |
Equation: |
2 »Fe-OH<0.5-> + UO2<2+> ⇔ (»Fe-OH)2-UO2<1+> |
LogK: |
13.45 LogK°I=0 (Conversion to I = 0): 13.88
LogK2.31 nm−2 (SSD-normalized): 13.60
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
0.09 g/L |
pH Range: |
3-10 |
Ligand Concentration Range: |
1E-6 mol/L |
Fit Method: |
EQLFOR |
Comment: |
maximum surface loading 0.26 wt% U; assumption that UO2<2+> only forms complexes with the »Fe-OH<0.5-> surface sites on the {101} surface and the »Fe-O<0.5-> surface sites on {101} do not form complexes with UO2<2+> |
|