Mineral: |
Goethite |
Reference: |
MDCF93b |
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: |
-1.34 ± 0.07
LogK°I=0 (Conversion to I = 0): -0.48
LogK2.31 nm−2 (SSD-normalized): -0.40
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Solid/Liquid Ratio: |
6.0 g/L |
pH Range: |
5-8 |
Ligand Concentration Range: |
2E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
no citation of C1, probably 1.2 as in [MDCF93a] for hematite, favoured surface complex for 6g/L |
|