Mineral: |
Kaolinite |
Reference: |
IJW99 |
SCM Type: |
CC - Constant Capacitance
(C1: 2.1 F/m2) |
Ionic Strength: |
0.005 mol/L of
KNO3
|
Site Type: |
»X-OH |
PZC: |
|
pK1: |
3.96 |
pK1°I=0 (Conversion to I = 0): |
3.93 |
pK12.31 nm−2 (normalized): |
3.89 |
pK2: |
7.24 |
pK2°I=0 (Conversion to I = 0): |
7.21 |
pK22.31 nm−2 (normalized): |
7.31 |
Site Density in nm-2: |
1.9572 |
Original Site Density: |
3.25 µmol / m² surface
|
Solid/Liquid Ratio in g/L: |
6.79 |
pH Range: |
3.5-9.5 |
Temperature in K: |
298.15 |
Method for Site Density: |
Potentiometric Titration |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | FITEQL |
Comment: |
cation exchange reaction: XK + H+ == XH + K+; no distinction between silanol and aluminol sites; solid/liquid ratio equal to 100 m²/L; temperature 25+-0.1°C |
|