Mineral: |
Ferrihydrite |
Reference: |
SWM03 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
Pb<2+>
- lead
|
Site Type: |
»Fe(w)-OH |
Equation: |
»Fe(w)-OH + Pb<2+> + SO4<2-> ⇔ »Fe(w)-OH-PbSO4 |
LogK: |
9.47 ± 0.03
LogK°I=0 (Conversion to I = 0): 9.47
LogK2.31 nm−2 (SSD-normalized): 11.20
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
|
Temperature: |
298.15 K |
pH Range: |
3 - 6 |
Fit Method: |
FITEQL |
Comment: |
3-site model (third higher affinity site); Pb conc. of 20.3 µmol/kg, Fe concentration of 1.10 mmol/kg, SO4 concentration of 1.06 mmol/kg |
|