Mineral: |
Goethite |
Reference: |
SPH08 |
SCM Type: |
1pK-BS - 1pK-Basic Stern
(C1: 1.05 F/m2) |
Ionic Strength: |
0.1 mol/L of
NaNO3
|
Site Type: |
»Fe-singly |
PZC: |
9.18 |
pK1: |
9.18 |
pK1°I=0 (Conversion to I = 0): |
9.07 |
pK12.31 nm−2 (normalized): |
9.30 |
pK2: |
9.18 |
pK2°I=0 (Conversion to I = 0): |
9.07 |
pK22.31 nm−2 (normalized): |
9.06 |
Site Density in nm-2: |
3.0300 |
Original Site Density: |
3.03 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
10.0 |
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Assumption |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | EQLFOR |
Comment: |
surface protonation of goethite is modeled using a 1-site 1-pK formalism with pK(a1) = pK(a2) = pK(PZC); {101} surfaces |
|