Mineral: |
Goethite |
Reference: |
FS07a |
SCM Type: |
TL - Triple Layer
(C1: 1.75 F/m2) |
Ionic Strength: |
0.1 mol/L of
NaClO4
|
Site Type: |
»Fe-OH |
PZC: |
|
pK1: |
4.7 |
pK1°I=0 (Conversion to I = 0): |
4.59 |
pK12.31 nm−2 (normalized): |
4.96 |
pK2: |
10.5 |
pK2°I=0 (Conversion to I = 0): |
10.39 |
pK22.31 nm−2 (normalized): |
10.24 |
Site Density in nm-2: |
4.2000 |
Original Site Density: |
4.2 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
4.6 |
pH Range: |
3 - 10 |
Temperature in K: |
|
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 [RHV01]; SSD predicted using the correlation with surface area in Fig. 5 in [FS07a] |
|