| Mineral: |
Vernadite |
| Reference: |
WLCLB13 |
| SCM Type: |
DDL - Diffuse Double Layer
|
| Ionic Strength: |
0.01 mol/L of
NaNO3
|
| Site Type: |
»Mn-OH |
| PZC: |
|
| pK1: |
-2.18 |
pK1°I=0 (Conversion to I = 0): |
-2.22 |
pK12.31 nm−2 (normalized): |
-2.04 |
| pK2: |
-1.82 |
pK2°I=0 (Conversion to I = 0): |
-1.86 |
pK22.31 nm−2 (normalized): |
-1.96 |
| Site Density in nm-2: |
3.2000 |
| Original Site Density: |
3.2 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
0.1 |
| pH Range: |
2-10 |
| Temperature in K: |
|
| Method for Site Density: |
Batch Sorption Experiments |
| Method for Protolysis: | Batch Sorption Experiments |
| Fit Method: | MINEQL |
| Comment: |
Intrinsic equilibrium constants calculated based on the correction established by Sverjensky. Note that the molar concentration based equilibrium constants as input in MINEQL is dependent on solid
concentration as in eq 2 for bidentate surface complexation reactions. |
| |
