Mineral: |
Goethite |
Reference: |
AVTC02 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
CO3<2->
- carbonate
|
Site Type: |
»Fe(w)-OH |
Equation: |
»Fe(w)-OH + CO3<2-> ⇔ »Fe(w)-OH-CO3<2-> |
LogK: |
4.78 ± 0.14
LogK°I=0 (Conversion to I = 0): 5.21
LogK2.31 nm−2 (SSD-normalized): 9.09
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.1 mol/L
NaCl
|
Solid/Liquid Ratio: |
2.0 g/L |
pH Range: |
3-8 |
Ligand Concentration Range: |
6.3E-5-1.33E-4 mol/L |
Fit Method: |
PEST |
Comment: |
PEST in combination with PHREEQC-2; values from batch sorption experiments of [VL00]; PEST (nonlinear parameter estimation programme) in combination with PHREEQC-2; uncertainty interval indicates the aproximate 95% confidence limits |
|