Mineral: |
amorphous Silica |
Reference: |
RMCD03 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
Th<4+>
- thorium
|
Site Type: |
»Si(s)-OH |
Equation: |
»Si(s)-OH + Th<4+> + 3 H2O ⇔ »Si(s)-O-Th(OH)3 + 4 H<1+> |
LogK: |
-12.0 ± 0.4
LogK°I=0 (Conversion to I = 0): -10.72
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaClO4
|
Solid/Liquid Ratio: |
0.25 g/L |
pH Range: |
2 - 9 |
Ligand Concentration Range: |
1.15E-12 mol/L |
Fit Method: |
FITEQL |
Comment: |
Th(IV) hydrolysis constants from Baes and Mesmer [39]; total carbonate concentration = 5E−5 M |
|