Mineral: |
Montmorillonite |
Reference: |
MM89 |
SCM Type: |
CC - Constant Capacitance
(C1: 1.06 F/m2) |
Ionic Strength: |
0.01 mol/L of
NaCl
|
Site Type: |
»X-OH |
PZC: |
3.8 |
pK1: |
2.0 |
pK1°I=0 (Conversion to I = 0): |
1.96 |
pK12.31 nm−2 (normalized): |
2.10 |
pK2: |
5.6 |
pK2°I=0 (Conversion to I = 0): |
5.56 |
pK22.31 nm−2 (normalized): |
5.50 |
Site Density in nm-2: |
2.9211 |
Original Site Density: |
0.000026 mol / g solid
|
Solid/Liquid Ratio in g/L: |
10.0 |
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Empirical Correlation |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | MICROQL |
Comment: |
C1 from [WH80] for g-Al2O3; MICROQL; PZC=PZNPC=1/2(pK1+pK2), PZC also 3.8 determinated from surface charge vs. pH curves for surface charge=0; temperature 25+-0.5°C; maximum adsorption density |
|