Mineral: |
Goethite |
Reference: |
K97c |
SCM Type: |
DDL - Diffuse Double Layer
|
Ionic Strength: |
0.0 mol/L of
NaNO3
|
Site Type: |
»Fe-OH |
PZC: |
7.8 |
pK1: |
6.3 |
pK1°I=0 (Conversion to I = 0): |
6.30 |
pK12.31 nm−2 (normalized): |
6.56 |
pK2: |
8.92 |
pK2°I=0 (Conversion to I = 0): |
8.92 |
pK22.31 nm−2 (normalized): |
8.66 |
Site Density in nm-2: |
4.2000 |
Original Site Density: |
4.2 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
3.48 |
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Literature |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | FITEQL |
Comment: |
SSD from [SS81] (there 2E-4 mol/g with SSA=29g/m^2 = 4.15 OH/nm^2); PZC determined by potentiometric titration; temperature 25+-0.1°C in N2 atmosphere; standard deviation=1sigma |
|