Mineral: |
Hematite |
Reference: |
MDCF93a |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
La<3+>
- lanthanum
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + La<3+> ⇔ »Fe-O-La<2+> + H<1+> |
LogK: |
-0.96 ± 0.2
LogK°I=0 (Conversion to I = 0): -0.10
LogK2.31 nm−2 (SSD-normalized): -0.02
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Solid/Liquid Ratio: |
20.0 g/L |
pH Range: |
4-8 |
Ligand Concentration Range: |
2E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
citation in [MCDF93b], favoured surface complex for 20 g/L; error published in [MDCF93b] |
|