Mineral: |
amorphous Silica |
Reference: |
PS08 |
SCM Type: |
ETL - Extended Triple Layer
(C1: 0.95 F/m2) |
Ionic Strength: |
0.1 mol/L of
NaNO3
|
Site Type: |
»Si-OH |
PZC: |
2.8 |
pK1: |
-2.6 |
pK1°I=0 (Conversion to I = 0): |
-2.71 |
pK12.31 nm−2 (normalized): |
-2.30 |
pK2: |
8.2 |
pK2°I=0 (Conversion to I = 0): |
8.09 |
pK22.31 nm−2 (normalized): |
7.90 |
Site Density in nm-2: |
4.6000 |
Original Site Density: |
4.6 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
20.0 |
pH Range: |
5 - 10 |
Temperature in K: |
|
Method for Site Density: |
Potentiometric Titration |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | Unknown |
Comment: |
C1 from regression of proton surface charge data reported in [MDF99b]; log K values refer to the hypothetical 1.0 M standard state |
|