| Mineral: |
Bentonite |
| Reference: |
TFPC04 |
| SCM Type: |
NE - Non-electrostatic
|
| Ionic Strength: |
0.02 mol/L of
NaCl
|
| Site Type: |
»X(w2)-OH |
| PZC: |
7.45 |
| pK1: |
6.0 |
pK1°I=0 (Conversion to I = 0): |
5.94 |
pK12.31 nm−2 (normalized): |
5.87 |
| pK2: |
10.5 |
pK2°I=0 (Conversion to I = 0): |
10.44 |
pK22.31 nm−2 (normalized): |
10.63 |
| Site Density in nm-2: |
1.7000 |
| Original Site Density: |
1.7 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
4.69 |
| pH Range: |
2-12 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Potentiometric Titration |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | PHREEQC |
| Comment: |
also: 0.0068M CaCl2, 3.03g/L and 0.05M CaCl2, 1.53g/L SSD 1.7 sites / nm^2 for octahedral position, 4.8 sites / nm^2 for tetrahedral position |
| |
| Mineral: |
Bentonite |
| Reference: |
TFPC04 |
| SCM Type: |
NE - Non-electrostatic
|
| Ionic Strength: |
0.02 mol/L of
NaCl
|
| Site Type: |
»X(s)-OH |
| PZC: |
7.45 |
| pK1: |
4.5 |
pK1°I=0 (Conversion to I = 0): |
4.44 |
pK12.31 nm−2 (normalized): |
4.37 |
| pK2: |
7.9 |
pK2°I=0 (Conversion to I = 0): |
7.84 |
pK22.31 nm−2 (normalized): |
8.03 |
| Site Density in nm-2: |
1.7000 |
| Original Site Density: |
1.7 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
4.69 |
| pH Range: |
2-12 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Potentiometric Titration |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | PHREEQC |
| Comment: |
also: 0.0068M CaCl2, 3.03g/L and 0.05M CaCl2, 1.53g/L SSD 1.7 sites / nm^2 for octahedral position, 4.8 sites / nm^2 for tetrahedral position |
| |
| Mineral: |
Bentonite |
| Reference: |
TFPC04 |
| SCM Type: |
NE - Non-electrostatic
|
| Ionic Strength: |
0.02 mol/L of
NaCl
|
| Site Type: |
»X(w)-OH |
| PZC: |
7.45 |
| pK1: |
4.5 |
pK1°I=0 (Conversion to I = 0): |
4.44 |
pK12.31 nm−2 (normalized): |
4.37 |
| pK2: |
7.9 |
pK2°I=0 (Conversion to I = 0): |
7.84 |
pK22.31 nm−2 (normalized): |
8.03 |
| Site Density in nm-2: |
1.7000 |
| Original Site Density: |
1.7 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
4.69 |
| pH Range: |
2-12 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Potentiometric Titration |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | PHREEQC |
| Comment: |
also: 0.0068M CaCl2, 3.03g/L and 0.05M CaCl2, 1.53g/L SSD 1.7 sites / nm^2 for octahedral position, 4.8 sites / nm^2 for tetrahedral position |
| |
