| Mineral: |
Kaolinite |
| Reference: |
PDLCW04 |
| SCM Type: |
NE - Non-electrostatic
|
| Ionic Strength: |
0.0 mol/L of
NaNO3
|
| Site Type: |
»Al-OH |
| PZC: |
|
| pK1: |
6.3 |
pK1°I=0 (Conversion to I = 0): |
6.30 |
pK12.31 nm−2 (normalized): |
4.95 |
| pK2: |
8.7 |
pK2°I=0 (Conversion to I = 0): |
8.70 |
pK22.31 nm−2 (normalized): |
10.05 |
| Site Density in nm-2: |
0.1029 |
| Original Site Density: |
0.000002 mol / g solid
|
| Solid/Liquid Ratio in g/L: |
4.0 |
| pH Range: |
|
| Temperature in K: |
|
| Method for Site Density: |
Empirical Correlation |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | FITEQL |
| Comment: |
FITEQL/MINTEQA2; experiments in 0.1M NaNO3; assumption of 2 sites types »TiOH and »AlOH; from TEM/EDS: 1. 39 wt.% Ti in KGa-1 kaolinite; pK for »AlOH from [WS92] (there 6.5/8.5 for 0.1M, using linear regression method) |
| |
| Mineral: |
Kaolinite |
| Reference: |
PDLCW04 |
| SCM Type: |
NE - Non-electrostatic
|
| Ionic Strength: |
0.0 mol/L of
NaNO3
|
| Site Type: |
»X-OH |
| PZC: |
|
| pK1: |
|
pK1°I=0 (Conversion to I = 0): |
|
|
| pK2: |
|
pK2°I=0 (Conversion to I = 0): |
|
|
| Site Density in nm-2: |
0.1544 |
| Original Site Density: |
0.000003 mol / g solid
|
| Solid/Liquid Ratio in g/L: |
4.0 |
| pH Range: |
|
| Temperature in K: |
|
| Method for Site Density: |
Empirical Correlation |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | FITEQL |
| Comment: |
FITEQL/MINTEQA2; experiments in 0.1M NaNO3; assumption of 2 sites types »TiOH and »AlOH; from TEM/EDS: 1. 39 wt.% Ti in KGa-1 kaolinite; pK for »AlOH from [WS92] (there 6.5/8.5 for 0.1M, using linear regression method) |
| |
| Mineral: |
Kaolinite |
| Reference: |
PDLCW04 |
| SCM Type: |
NE - Non-electrostatic
|
| Ionic Strength: |
0.0 mol/L of
NaNO3
|
| Site Type: |
»Ti-OH |
| PZC: |
|
| pK1: |
4.92 |
pK1°I=0 (Conversion to I = 0): |
4.92 |
pK12.31 nm−2 (normalized): |
|
| pK2: |
7.58 |
pK2°I=0 (Conversion to I = 0): |
7.58 |
pK22.31 nm−2 (normalized): |
|
| Site Density in nm-2: |
0.0000 |
| Original Site Density: |
0.0 |
| Solid/Liquid Ratio in g/L: |
4.0 |
| pH Range: |
|
| Temperature in K: |
|
| Method for Site Density: |
Empirical Correlation |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | FITEQL |
| Comment: |
FITEQL/MINTEQA2; experiments in 0.1M NaNO3; assumption of 2 sites types »TiOH and »AlOH; from TEM/EDS: 1. 39 wt.% Ti in KGa-1 kaolinite; pK for »AlOH from [WS92] (there 6.5/8.5 for 0.1M, using linear regression method) |
| |
