Mineral: |
Goethite |
Reference: |
SWM09 |
SCM Type: |
DDL - Diffuse Double Layer
|
Ionic Strength: |
0.0 mol/L of
|
Site Type: |
»Fe-OH |
PZC: |
|
pK1: |
8.17 |
pK1°I=0 (Conversion to I = 0): |
8.17 |
pK12.31 nm−2 (normalized): |
7.78 |
pK2: |
9.93 |
pK2°I=0 (Conversion to I = 0): |
9.93 |
pK22.31 nm−2 (normalized): |
10.32 |
Site Density in nm-2: |
0.9400 |
Original Site Density: |
0.94 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
6.2 |
pH Range: |
4 - 11 |
Temperature in K: |
298.15 |
Method for Site Density: |
Potentiometric Titration |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | FITEQL |
Comment: |
Initially all parameters were optimized simultaneously and then the site density was fixed to the weighted average value for the three data sets, and the acidity constants were optimized for this site density. |
|