Mineral: |
Hematite |
Reference: |
LH99 |
SCM Type: |
TL - Triple Layer |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Fe(s)-OH |
Equation: |
2 »Fe(s)-OH + UO2<2+> ⇔ (»Fe(s)-O)2-UO2 + 2 H<1+> |
LogK: |
-0.087 LogK°I=0 (Conversion to I = 0): -0.09
LogK2.31 nm−2 (SSD-normalized): -2.02
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaClO4
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
9.0 g/L |
pH Range: |
3-10 |
Ligand Concentration Range: |
1E-6 mol/L |
Fit Method: |
FITEQL |
Comment: |
experiments in 0.1 M solution, log K determined for I =0; ; 25+-0.1°C; U(VI) sorption onto hematite follows the two-site model of [WDPWX94] |
|