Mineral: |
Goethite |
Reference: |
G85 |
SCM Type: |
CC - Constant Capacitance
(C1: 1.06 F/m2) |
Ionic Strength: |
|
Site Type: |
»Fe-OH |
PZC: |
|
pK1: |
7.31 |
|
pK12.31 nm−2 (normalized): |
7.17 |
pK2: |
8.8 |
|
pK22.31 nm−2 (normalized): |
8.94 |
Site Density in nm-2: |
1.6668 |
Original Site Density: |
0.00031 mol / L solution
|
Solid/Liquid Ratio in g/L: |
4.0 |
pH Range: |
|
Temperature in K: |
|
Method for Site Density: |
Maximum Anion Adsorption |
Method for Protolysis: | Mean of Different Sources |
Fit Method: |
Comment: |
pK from [GS84a] (average pK values of various iron oxides (!) from literature); C fixed at 1.06 F/m^2 which was optimal for g-Al2O3 [WH80]; SSD had been determined exp. by [H70], SSA originally publishrd by [H70] |
|