Mineral: |
Hematite |
Reference: |
C96 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + UO2<2+> + H2O ⇔ »Fe-O-UO2(OH) + 2 H<1+> |
LogK: |
-6.2 ± 0.3
LogK°I=0 (Conversion to I = 0): -6.20
LogK2.31 nm−2 (SSD-normalized): -0.76
|
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-5 mol/L |
Fit Method: |
Comment: |
IS = 0.01 -1 M, calculation for IS=0; mean value of logK; other logK (apparent/intrinsic): -6.4/-6.3 (0.01M), -6.5/-6.3 (0.1M); -6.0/-5.9 (1M); closed atmosphere |
|