| Mineral: |
Goethite |
| Reference: |
G94a |
| SCM Type: |
CC - Constant Capacitance |
| Ligand: |
Cd<2+>
- cadmium
|
| Site Type: |
»Fe-OH |
| Equation: |
»Fe-OH + Cd<2+> + Cl<1-> ⇔ »Fe-O-CdCl + H<1+> |
| LogK: |
-2.38 ± 0.04
LogK°I=0 (Conversion to I = 0): -1.95
LogK2.31 nm−2 (SSD-normalized): -1.44
|
| Experiment: |
Potentiometric Titration |
| Ionic Strength: |
0.1 mol/L
NaNO3
|
| Temperature: |
298.5 K |
| Solid/Liquid Ratio: |
0.058 g/L |
| pH Range: |
2.5-8.5 |
| Ligand Concentration Range: |
2.4E-4 - 1.2E-3 mol/L |
| Fit Method: |
FITEQL |
| Comment: |
298.5+-0.05K; mixed NaNO3/NaCl-electrolyte 1/1; [FeOH]tot=0.8 mmol/L |
| |