Mineral: |
Bentonite |
Reference: |
DLL11 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
Th<4+>
- thorium
|
Site Type: |
»X-OH |
Equation: |
»X-OH + Th<4+> + H2O ⇔ »X-O-Th(OH)<2+> + 2 H<1+> |
LogK: |
5.55 LogK°I=0 (Conversion to I = 0): 6.18
LogK2.31 nm−2 (SSD-normalized): 9.67
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.01 mol/L
NaNO3
|
Temperature: |
298.0 K |
Solid/Liquid Ratio: |
0.3 g/L |
pH Range: |
2-9 |
Ligand Concentration Range: |
4.5E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
ion exchange reaction: 4 »XNa + Th4+ = »X4Th + 4Na+ with pKa = 10.10 |
|