| Mineral: |
Akaganeite |
| Reference: |
K94a |
| SCM Type: |
TL - Triple Layer
|
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»Fe-OH |
| PZC: |
7.05 |
| pK1: |
4.5 |
pK1°I=0 (Conversion to I = 0): |
4.50 |
pK12.31 nm−2 (normalized): |
5.32 |
| pK2: |
9.5 |
pK2°I=0 (Conversion to I = 0): |
9.50 |
pK22.31 nm−2 (normalized): |
8.68 |
| Site Density in nm-2: |
15.4052 |
| Original Site Density: |
0.00132 mol / g solid
|
| Solid/Liquid Ratio in g/L: |
1.0 |
| pH Range: |
|
| Temperature in K: |
|
| Method for Site Density: |
Potentiometric Titration |
| Method for Protolysis: | Batch Sorption Experiments |
| Fit Method: | graphic extrapolation |
| Comment: |
double extrapolation method; potentiometric titration by batch method: first calibration of pH, then addition of solid; SSD obtained by fluoride adsorption 2.82E-4 mol/g; ionic strength 0.5, 0.1, 0.001; extrapolation to IS=0 by graphic method; PZC determined by batch titration method |
| |
