| Mineral: |
Kaolinite |
| Reference: |
RZEAA88 |
| SCM Type: |
TL - Triple Layer
, C2: 0.2 F/m2 |
| Ionic Strength: |
0.1 mol/L of
NaClO4
|
| Site Type: |
»Si-OH |
| PZC: |
|
| pK1: |
1.75 |
pK1°I=0 (Conversion to I = 0): |
1.64 |
pK12.31 nm−2 (normalized): |
2.16 |
| pK2: |
6.25 |
pK2°I=0 (Conversion to I = 0): |
6.14 |
pK22.31 nm−2 (normalized): |
5.84 |
| Site Density in nm-2: |
6.0000 |
| Original Site Density: |
6.0 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
0.0 |
| pH Range: |
|
| Temperature in K: |
|
| Method for Site Density: |
Tritium Exchange |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: |
| Comment: |
data base very inconsistent, SSD from [R82], C1 varied between 2.4 [R82] and 1.2 [D78]; pK for >>SiOH from [R82] (kaolinite, background electrolyte NaNO3); pK for >>AlOH from [D78] (amorphous Al(OH)3; background electrolyte NaClO4); same data in [ZCSA88] |
| |
| Mineral: |
Kaolinite |
| Reference: |
RZEAA88 |
| SCM Type: |
TL - Triple Layer
, C2: 0.2 F/m2 |
| Ionic Strength: |
0.1 mol/L of
NaClO4
|
| Site Type: |
»Al-OH |
| PZC: |
|
| pK1: |
5.7 |
pK1°I=0 (Conversion to I = 0): |
5.59 |
pK12.31 nm−2 (normalized): |
6.11 |
| pK2: |
11.4 |
pK2°I=0 (Conversion to I = 0): |
11.29 |
pK22.31 nm−2 (normalized): |
10.99 |
| Site Density in nm-2: |
6.0000 |
| Original Site Density: |
6.0 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
0.0 |
| pH Range: |
|
| Temperature in K: |
|
| Method for Site Density: |
Tritium Exchange |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: |
| Comment: |
data base very inconsistent, SSD from [R82], C1 varied between 2.4 [R82] and 1.2 [D78]; pK for >>SiOH from [R82] (kaolinite, background electrolyte NaNO3); pK for >>AlOH from [D78] (amorphous Al(OH)3; background electrolyte NaClO4); same data in [ZCSA88] |
| |
