| Mineral: |
Kaolinite |
| Reference: |
HCLK05 |
| SCM Type: |
1pK-BS - 1pK-Basic Stern
(C1: 1.1 F/m2) |
| Ionic Strength: |
0.01 mol/L of
NaNO3
|
| Site Type: |
»X-OH |
| PZC: |
|
| pK1: |
4.8 |
pK1°I=0 (Conversion to I = 0): |
4.76 |
pK12.31 nm−2 (normalized): |
5.49 |
| pK2: |
|
pK2°I=0 (Conversion to I = 0): |
|
|
| Site Density in nm-2: |
11.3000 |
| Original Site Density: |
11.3 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
50.0 |
| pH Range: |
4-10 |
| Temperature in K: |
298.0 |
| Method for Site Density: |
Potentiometric Titration |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | ECOSAT |
| Comment: |
sorption onto edge sites (XOH0.5-) was modeled with a 1pK-basic Stern approach; cation sorption onto permanently charged face sites (X-) described by 3 models: Gaines-Thomas equation (GT), basic Stern (BS), extended basic Stern (BS ext)
here: BS/BS |
| |
