Mineral: |
Hematite |
Reference: |
C96 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Fe-OH |
Equation: |
2 »Fe-OH + UO2<2+> + 3 H2O ⇔ (»Fe-O)2-UO2(OH)3<3-> + 5 H<1+> |
LogK: |
-22.7 ± 0.6
LogK°I=0 (Conversion to I = 0): -22.70
LogK2.31 nm−2 (SSD-normalized): -11.82
|
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: |
FITEQL |
Comment: |
IS = 0.01 -1 M, calculation for IS=0; mean value of logK; other logK (apparent/intrinsic): -22.6/-22.7 (0.01M), -22.9/-23.0 (0.1M); -22.4/-22.4 ( 1M); closed atmosphere |
|