Mineral: |
Montmorillonite |
Reference: |
BDP00 |
SCM Type: |
DDL - Diffuse Double Layer
|
Ionic Strength: |
0.0 mol/L of
NaNO3
|
Site Type: |
»X-OH |
PZC: |
|
pK1: |
3.7 |
pK1°I=0 (Conversion to I = 0): |
3.70 |
pK12.31 nm−2 (normalized): |
3.57 |
pK2: |
4.34 |
pK2°I=0 (Conversion to I = 0): |
4.34 |
pK22.31 nm−2 (normalized): |
4.47 |
Site Density in nm-2: |
1.7097 |
Original Site Density: |
0.000247 mol / g solid
|
Solid/Liquid Ratio in g/L: |
1.0 |
pH Range: |
3.5-9 |
Temperature in K: |
298.15 |
Method for Site Density: |
Mean of Different Sources |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | FITEQL |
Comment: |
fitted for I=0.05 M, calculated for I=0 using the Davies equation; assumption that clay contains SiOH and Al(OH)(OH2) groups; also ion exchange >XNa + H+ =XH + Na+ logK=8.67 |
|