Mineral: |
Ferrihydrite |
Reference: |
AVTC02 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Fe<2+>
- iron(II)
|
Site Type: |
»Fe(s)-OH |
Equation: |
»Fe(s)-OH + Fe<2+> ⇔ »Fe(s)-O-Fe<1+> + H<1+> |
LogK: |
-0.95 ± 0.5
LogK°I=0 (Conversion to I = 0): -0.63
LogK2.31 nm−2 (SSD-normalized): -0.86
|
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 from [LCV99] (there only one site) to [DM90] database; uncertainty interval indicates the aproximate 95% confidence limits |
|