Show Detailed Complexation Query Results
Surface Complex Formation Data:
Mineral: |
Alumina |
Reference: |
MDCF94 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Yb<3+>
- ytterbium
|
Site Type: |
»Al-OH |
Equation: |
»Al-OH + Yb<3+> ⇔ »Al-O-Yb<2+> + H<1+> |
LogK: |
1.77 ± 0.02
LogK°I=0 (Conversion to I = 0): 2.63
LogK2.31 nm−2 (SSD-normalized): 0.38
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Solid/Liquid Ratio: |
0.2 g/L |
pH Range: |
5-7 |
Ligand Concentration Range: |
2E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
loading ratio [Yb3+]/[SOH]=0.26=0.2g/L, 7d experiment; more values for other contact time (0.9 for 1h (cited in ]MDF97]), 1.8 for 12d, with error 0.1), wrong citation in [MDCF95] 1.67 (value for loading ratio 0.065); error 2 sigma |
|
1 data sets were retrieved
|