Mineral: |
Hematite |
Reference: |
C96 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + UO2<2+> + 4 H2O ⇔ »Fe-OH-UO2(OH)4<2-> + 4 H<1+> |
LogK: |
-22.5 ± 0.2
LogK°I=0 (Conversion to I = 0): -22.50
LogK2.31 nm−2 (SSD-normalized): -17.06
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaClO4
|
Solid/Liquid Ratio: |
0.075 g/L |
pH Range: |
2-10 |
Ligand Concentration Range: |
5E-7 mol/L |
Fit Method: |
Comment: |
IS = 0.01 -1 M, calculation for IS=0; mean value of logK; other logK (apparent/intrinsic): -22.3/-22.5 (0.01M), -22.6/-22.5 (0.1M, 1M); closed atmosphere |
|