| Mineral: |
Siderite |
| Reference: |
VCSW93 |
| SCM Type: |
1pK-BS - 1pK-Basic Stern
(C1: 100.0 F/m2) |
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»Fe-OH |
| PZC: |
|
| pK1: |
10.2 |
pK1°I=0 (Conversion to I = 0): |
10.20 |
pK12.31 nm−2 (normalized): |
10.87 |
| pK2: |
10.0 |
pK2°I=0 (Conversion to I = 0): |
10.00 |
pK22.31 nm−2 (normalized): |
9.33 |
| Site Density in nm-2: |
10.8397 |
| Original Site Density: |
18.0 µmol / m² surface
|
| Solid/Liquid Ratio in g/L: |
|
| pH Range: |
4-6 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Potentiometric Titration |
| Method for Protolysis: |
| Fit Method: | MICROQL |
| Comment: |
Capacity for I = 0.1, pK values for I = 0; rapid flow-through titration technique according to [CWS90]; FORTRAN computer program to calculate the equilibrium species distribution similar to MICROQL, atmospheric CO2, pK-values cited in [PS02b] |
| |
| Mineral: |
Siderite |
| Reference: |
VCSW93 |
| SCM Type: |
1pK-BS - 1pK-Basic Stern
(C1: 100.0 F/m2) |
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»CO3H |
| PZC: |
|
| 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): |
3.73 |
| Site Density in nm-2: |
10.8397 |
| Original Site Density: |
18.0 µmol / m² surface
|
| Solid/Liquid Ratio in g/L: |
|
| pH Range: |
4-6 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Potentiometric Titration |
| Method for Protolysis: |
| Fit Method: | MICROQL |
| Comment: |
Capacity for I = 0.1, pK values for I = 0; rapid flow-through titration technique according to [CWS90]; FORTRAN computer program to calculate the equilibrium species distribution similar to MICROQL, atmospheric CO2, pK-values cited in [PS02b] |
| |
