Mineral: |
Hematite |
Reference: |
MDCF93a |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Yb<3+>
- ytterbium
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + Yb<3+> + H2O ⇔ »Fe-O-Yb(OH)<1+> + 2 H<1+> |
LogK: |
-7.77 ± 0.4
LogK°I=0 (Conversion to I = 0): -7.02
LogK2.31 nm−2 (SSD-normalized): -6.83
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Solid/Liquid Ratio: |
6.0 g/L |
pH Range: |
4-8 |
Ligand Concentration Range: |
2E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
cited in [MDF97] and [MDCF93b], favoured surface complex for 6 g/L; error published in [MDCF93b] |
|