Mineral: |
Ferrihydrite |
Reference: |
NSHK21 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
Pb<2+>
- lead
|
Site Type: |
»Fe(w)-OH |
Equation: |
2 »Fe(w)-OH + Pb<2+> ⇔ »Fe(w)-OH-»Fe(w)-O-Pb<1+> + H<1+> |
LogK: |
0.59 ± 0.0375
LogK°I=0 (Conversion to I = 0): 0.91
LogK2.31 nm−2 (SSD-normalized): 3.98
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Temperature: |
298.15 K |
pH Range: |
4 - 9 |
Ligand Concentration Range: |
1E-4; 9.85E-4; 2.51E-3 mol/L |
Fit Method: |
FITEQL |
Comment: |
R-DLM (recalibrated DLM), CO2 free conditions; 3.6, 2.6 and 2.0 g/L ferrihydrite |
|