Mineral: |
Akaganeite |
Reference: |
K94a |
SCM Type: |
TL - Triple Layer
|
Ionic Strength: |
0.0 mol/L of
KNO3
|
Site Type: |
»Fe-OH |
PZC: |
7.25 |
pK1: |
4.8 |
pK1°I=0 (Conversion to I = 0): |
4.80 |
pK12.31 nm−2 (normalized): |
5.62 |
pK2: |
9.8 |
pK2°I=0 (Conversion to I = 0): |
9.80 |
pK22.31 nm−2 (normalized): |
8.98 |
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 rapid titration method [KM89a] |
|