| Mineral: |
Goethite |
| Reference: |
S79 |
| SCM Type: |
CC - Constant Capacitance |
| Ligand: |
F<1->
- fluoride
|
| Site Type: |
»Fe-OH |
| Equation: |
»Fe-OH + F<1-> ⇔ »Fe-F + OH<1-> |
| LogK: |
-4.8 LogK°I=0 (Conversion to I = 0): -4.69
LogK2.31 nm−2 (SSD-normalized): 0.47
|
| Experiment: |
Potentiometric Titration |
| Ionic Strength: |
0.1 mol/L
NaClO4
|
| Temperature: |
295.15 K |
| Solid/Liquid Ratio: |
3.2 g/L |
| pH Range: |
4.7-10 |
| Ligand Concentration Range: |
2E-4. 5E-4 mol/L |
| Fit Method: |
graphic extrapolation |
| Comment: |
cited in [SKS80], [SS87] and [SS80], SCM named \"ligand exchange model\" |
| |