Mineral: |
Montmorillonite |
Reference: |
SBBM14 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
Fe<2+>
- iron(II)
|
Site Type: |
»X(s)-OH |
Equation: |
»X(s)-OH + Fe<2+> ⇔ »X(s)-O-Fe<1+> + H<1+> |
LogK: |
1.9 ± 0.3
LogK°I=0 (Conversion to I = 0): 2.22
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaClO4
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
1.0 g/L |
pH Range: |
2 - 10 |
Ligand Concentration Range: |
3E-8 mol/L |
Fit Method: |
MINSORB |
Comment: |
SWy-2; fixed to the value determined for STx; site types and protolysis reactions taken from [BB97b]; also ion exchange reaction given: 2Na<1+>-clay + Fe<2+> = Fe<2+>-clay + 2Na<1+> with logK = 0.8 ± 0.3 |
|