Mineral: |
Ferrihydrite |
Reference: |
AVTC02 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Fe<2+>
- iron(II)
|
Site Type: |
»Fe(w)-OH |
Equation: |
»Fe(w)-OH + Fe<2+> + H2O ⇔ »Fe(w)-O-Fe(OH) + 2 H<1+> |
LogK: |
-11.55 ± 0.23
LogK°I=0 (Conversion to I = 0): -11.34
LogK2.31 nm−2 (SSD-normalized): -9.82
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Solid/Liquid Ratio: |
0.143 g/L |
pH Range: |
5-9 |
Ligand Concentration Range: |
1.6E-4 mol/L |
Fit Method: |
PEST |
Comment: |
PEST in combination with PHREEQC-2; refit of raw data and logK from [LCV99] (there only one site) to [DM90] database; uncertainty interval indicates the aproximate 95% confidence limits |
|