Show Detailed Complexation Query Results
Surface Complex Formation Data:
Mineral: |
Goethite |
Reference: |
GLS94 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Pb<2+>
- lead
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + Pb<2+> ⇔ »Fe-OH-Pb<2+> |
LogK: |
8.2 ± 0.06
LogK°I=0 (Conversion to I = 0): 8.63
LogK2.31 nm−2 (SSD-normalized): 9.14
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Fit Method: |
FITEQL |
Comment: |
The good fit, obtained by including -FeOHPb2+ in the speciation scheme, was somewhat surprising, since most SCM presume a proton release when a metal ion is adsorbed. |
|
1 data sets were retrieved
|