Mineral: |
Hematite |
Reference: |
ZSBUS09 |
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: |
-4.1
LogK2.31 nm−2 (SSD-normalized): -3.42
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
NaNO3
|
Solid/Liquid Ratio: |
1.0 g/L |
pH Range: |
3-11 |
Ligand Concentration Range: |
1E-6 and 1E-4 mol/L |
Fit Method: |
FITEQL |
Comment: |
SSA = 10 m²/g and SSD = 10 sites/nm² [S03]; modified U(VI) adsorption equilibrium constants corresponding to 5% strong and 95% weak sites; 12.5 nm aerosol-synthesized hematite |
|