Mineral: |
amorphous Silica |
Reference: |
V00 |
SCM Type: |
CC - Constant Capacitance
(C1: 1.1 F/m2) |
Ionic Strength: |
0.1 mol/L of
NaCl
|
Site Type: |
»Si-OH |
PZC: |
2.5 |
pK1: |
|
pK1°I=0 (Conversion to I = 0): |
|
|
pK2: |
6.9 |
pK2°I=0 (Conversion to I = 0): |
6.79 |
pK22.31 nm−2 (normalized): |
7.26 |
Site Density in nm-2: |
1.0037 |
Original Site Density: |
0.0005 mol / g solid
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
|
Method for Site Density: |
Potentiometric Titration |
Method for Protolysis: | Potentiometric Titration |
Fit Method: |
Comment: |
original value of PZC = 2-3; SSD determined between pH 2 and 8, cited in [SVS01] |
|