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: |
-14.5 LogK°I=0 (Conversion to I = 0): -13.94
LogK2.31 nm−2 (SSD-normalized): -10.45
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.066 mol/L
CaCl2
|
pH Range: |
2.5-10.5 |
Ligand Concentration Range: |
6.2E-8 mol/L |
Fit Method: |
MINSORB |
Comment: |
Ca-montmorillonite, MINSORB code (2-site protolysis no electrostatics surface complexation and cation exchange model developed and incorporated into MINEQL); selectivity coefficient for cation exchange Ca-Am=46: 3Ca-mont. + 2Am3+ = 2Am-mont. + 3Ca+; solid concentration 0.86-2 g/L |
|