Mineral: |
Montmorillonite |
Reference: |
BB06 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
Am<3+>
- americium
|
Site Type: |
»X-OH |
Equation: |
»X-OH + Am<3+> + 2 H2O ⇔ »X-O-Am(OH)2 + 3 H<1+> |
LogK: |
-14.2 LogK°I=0 (Conversion to I = 0): -13.56
LogK2.31 nm−2 (SSD-normalized): -10.15
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaClO4
|
Solid/Liquid Ratio: |
0.62 g/L |
pH Range: |
2.5-10.5 |
Ligand Concentration Range: |
1.5E-10 mol/L |
Fit Method: |
MINSORB |
Comment: |
Na-montmorillonite, MINSORB code (2-site protolysis no electrostatics surface complexation and cation exchange model developed and incorporated into MINEQL); selectivity coefficient for cation exchange Na-Am=29: 3Na-mont. + Am3+ = Am-mont. + 3Na+ |
|