| Mineral: |
Goethite |
| Reference: |
KNT18 |
| SCM Type: |
TL - Triple Layer
(C1: 0.79 F/m2) |
| Ionic Strength: |
0.1 mol/L of
NaNO3
|
| Site Type: |
»Fe-OH |
| PZC: |
|
| pK1: |
6.0 |
pK1°I=0 (Conversion to I = 0): |
5.89 |
pK12.31 nm−2 (normalized): |
6.08 |
| pK2: |
12.4 |
pK2°I=0 (Conversion to I = 0): |
12.29 |
pK22.31 nm−2 (normalized): |
12.32 |
| Site Density in nm-2: |
2.8000 |
| Original Site Density: |
2.8 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
6.2 |
| pH Range: |
4 - 11 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Empirical Correlation |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | GEOSURF |
| Comment: |
extended TLM; values refer to the hypothetical 1 M standard state; experimental data taken from [SWM09]; the value of SSD was calculated with empirical correlation between SSD and SSA (SSD = -0.0321 * SSA + 5.38; Fukushi and Sverjensky (2007b)) |
| |
