Mineral: |
Smectite |
Reference: |
MAGAL09 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»X(w)-OH |
Equation: |
»X(w)-OH + UO2<2+> ⇔ »X(w)-O-UO2<1+> + H<1+> |
LogK: |
-1.5
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
NaClO4
|
Temperature: |
298.15 K |
pH Range: |
3-11 |
Ligand Concentration Range: |
1E-8 - 1E-3 mol/L |
Fit Method: |
CHESS |
Comment: |
Ionic strength varied from 0.001 to 0.1 M and S/L ratio from 1 to 6 g/L; ion exchange 2»XNa + UO22+ = »X2UO2 + 2Na+ with logK = 0.28; equilibrium acidity constants from [MAG09a] |
|