Mineral: |
Hematite |
Reference: |
KILLS98 |
SCM Type: |
CC - Constant Capacitance
(C1: 2.5 F/m2) |
Ionic Strength: |
0.1 mol/L of
NaCl
|
Site Type: |
»Fe-OH |
PZC: |
|
pK1: |
7.1 |
pK1°I=0 (Conversion to I = 0): |
6.99 |
pK12.31 nm−2 (normalized): |
7.19 |
pK2: |
7.8 |
pK2°I=0 (Conversion to I = 0): |
7.69 |
pK22.31 nm−2 (normalized): |
7.71 |
Site Density in nm-2: |
2.8500 |
Original Site Density: |
2.85 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
70.0 |
pH Range: |
2.5-7.5 |
Temperature in K: |
298.2 |
Method for Site Density: |
Potentiometric Titration |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | FITEQL |
Comment: |
[FeOH]tot = 2.0-2.1 mM; temperature 25+-0.2°C; argon atmosphere |
|