Mineral: |
Hematite |
Reference: |
MDCF93a |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
La<3+>
- lanthanum
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + La<3+> + 2 H2O ⇔ »Fe-O-La(OH)2 + 3 H<1+> |
LogK: |
-15.7 ± 0.3
LogK°I=0 (Conversion to I = 0): -15.06
LogK2.31 nm−2 (SSD-normalized): -14.76
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Solid/Liquid Ratio: |
2.0 g/L |
pH Range: |
4-8 |
Ligand Concentration Range: |
2E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
cited in [MDCF93b], favoured surface complex for 2 g/L; error published in [MDCF93b] |
|