Mineral: |
Goethite |
Reference: |
HREL91 |
SCM Type: |
TL - Triple Layer
(C1: 0.8 F/m2, C2: 0.2 F/m2) |
Ionic Strength: |
NaNO3
|
Site Type: |
»Fe-OH |
PZC: |
8.6 |
pK1: |
6.6 |
|
pK12.31 nm−2 (normalized): |
7.24 |
pK2: |
10.6 |
|
pK22.31 nm−2 (normalized): |
9.96 |
Site Density in nm-2: |
10.0000 |
Original Site Density: |
10.0 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
15.0 |
pH Range: |
5.5-11 |
Temperature in K: |
298.15 |
Method for Site Density: |
Best Estimate |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | FITEQL |
Comment: |
suggested "standard" parameter values for goethite pK2-pK1 = 4.0; cited in [S03]; good fit with F=17.9 |
|