Mineral: |
Bentonite |
Reference: |
GXSTW09 |
SCM Type: |
DDL - Diffuse Double Layer
|
Ionic Strength: |
NaCl
|
Site Type: |
»Al(s)-OH |
PZC: |
|
pK1: |
3.23 |
|
pK12.31 nm−2 (normalized): |
0.92 |
pK2: |
3.89 |
|
pK22.31 nm−2 (normalized): |
6.20 |
Site Density in nm-2: |
0.0113 |
Original Site Density: |
0.0188 µmol / m² surface
|
Solid/Liquid Ratio in g/L: |
0.5 |
pH Range: |
2-11 |
Temperature in K: |
298.15 |
Method for Site Density: |
Potentiometric Titration |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | FITEQL |
Comment: |
Na-bentonite; X-OH is used to represent aluminol on octahedral sheets, Y-OH: silanol on tetrahedral sheets; IS: 0.01, 0.1 and 0.5 mol/L of NaCl |
|