Show Detailed Complexation Query Results
Surface Complex Formation Data:
Mineral: |
Maghemite |
Reference: |
JGF10 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Si(OH)4<0>
- Silicic acid
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + Si(OH)4<0> ⇔ »Fe-O-Si(OH)3 + H2O |
LogK: |
3.61 ± 0.01
LogK°I=0 (Conversion to I = 0): 3.61
LogK2.31 nm−2 (SSD-normalized): 4.55
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.1 mol/L
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
1.0 g/L |
pH Range: |
2.8 - 11.1 |
Fit Method: |
FITEQL |
Comment: |
Three different ratios, 1:1 (1.25 × 10-3 mol dm-3), 2:1, and 3:1 between S0 and the total concentrations of added silicate, [»FeOH]:[Si(OH)4], were studied and included in the model calculations. |
|
1 data sets were retrieved
|