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-OH-CdCl<1+> |
LogK: |
6.85 ± 0.02
LogK°I=0 (Conversion to I = 0): 7.39
LogK2.31 nm−2 (SSD-normalized): 7.79
|
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 |
|