Mineral: |
amorphous Silica |
Reference: |
HFGM96 |
SCM Type: |
CC - Constant Capacitance
(C1: 1.2 F/m2) |
Ionic Strength: |
0.1 mol/L of
NaCl
|
Site Type: |
»Si-OH |
PZC: |
2.9 |
pK1: |
|
pK1°I=0 (Conversion to I = 0): |
|
|
pK2: |
7.6 |
pK2°I=0 (Conversion to I = 0): |
7.49 |
pK22.31 nm−2 (normalized): |
7.55 |
Site Density in nm-2: |
2.6000 |
Original Site Density: |
2.6 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
1.0 |
pH Range: |
2-10 |
Temperature in K: |
298.15 |
Method for Site Density: |
Potentiometric Titration |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | FITEQL |
Comment: |
site concentration 1.1E-4 M; PZC not influenced by the ionic strength (0.1...0.001M) |
|