| Mineral: |
Siderite |
| Reference: |
PS02b |
| SCM Type: |
CC - Constant Capacitance
(C1: 31.0 F/m2) |
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»CO3H |
| PZC: |
7.4 |
| pK1: |
|
pK1°I=0 (Conversion to I = 0): |
|
|
| pK2: |
4.4 |
pK2°I=0 (Conversion to I = 0): |
4.40 |
pK22.31 nm−2 (normalized): |
4.01 |
| Site Density in nm-2: |
5.7149 |
| Original Site Density: |
9.49 µmol / m² surface
|
| Solid/Liquid Ratio in g/L: |
|
| pH Range: |
|
| Temperature in K: |
298.15 |
| Method for Site Density: |
Geometrical Calculation |
| Method for Protolysis: | Electrophoretic Mobility |
| Fit Method: | MINTEQA2 |
| Comment: |
pK values from [VCSW93], but for pK2 lit:10.0; PZC at 1E-5 M sumCO2; temperature 25+-1°C |
| |
| Mineral: |
Siderite |
| Reference: |
PS02b |
| SCM Type: |
CC - Constant Capacitance
(C1: 31.0 F/m2) |
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»Fe(II)-OH |
| PZC: |
7.4 |
| pK1: |
10.2 |
pK1°I=0 (Conversion to I = 0): |
10.20 |
pK12.31 nm−2 (normalized): |
10.59 |
| pK2: |
10.4 |
pK2°I=0 (Conversion to I = 0): |
10.40 |
pK22.31 nm−2 (normalized): |
10.01 |
| Site Density in nm-2: |
5.7149 |
| Original Site Density: |
9.49 µmol / m² surface
|
| Solid/Liquid Ratio in g/L: |
|
| pH Range: |
|
| Temperature in K: |
298.15 |
| Method for Site Density: |
Geometrical Calculation |
| Method for Protolysis: | Electrophoretic Mobility |
| Fit Method: | MINTEQA2 |
| Comment: |
pK values from [VCSW93], but for pK2 lit:10.0; PZC at 1E-5 M sumCO2; temperature 25+-1°C |
| |
