| Mineral: |
Goethite |
| Reference: |
UF16 |
| SCM Type: |
TL - Triple Layer
(C1: 0.7 F/m2) |
| Ionic Strength: |
0.1 mol/L of
NaCl
|
| Site Type: |
»Fe-OH |
| PZC: |
8.5 |
| pK1: |
5.7 |
pK1°I=0 (Conversion to I = 0): |
5.59 |
pK12.31 nm−2 (normalized): |
5.96 |
| pK2: |
11.3 |
pK2°I=0 (Conversion to I = 0): |
11.19 |
pK22.31 nm−2 (normalized): |
11.04 |
| Site Density in nm-2: |
4.2000 |
| Original Site Density: |
4.2 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
11.0 |
| pH Range: |
3 - 9 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Empirical Correlation |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | GEOSURF |
| Comment: |
values refer to site-occupancy standard states; extended TLM; C was calculated from the regression of surface charge data of goethite by [GLS94]; SSD was calculated from the empirical relation between surface area and site density given by [FS07] |
| |
