Mineral: |
amorphous Silica |
Reference: |
BH86 |
SCM Type: |
DDL - Diffuse Double Layer
|
Ionic Strength: |
0.001 mol/L of
NaClO4
|
Site Type: |
»Si-OH |
PZC: |
2.0 |
pK1: |
2.77 |
pK1°I=0 (Conversion to I = 0): |
2.75 |
pK12.31 nm−2 (normalized): |
2.17 |
pK2: |
7.2 |
pK2°I=0 (Conversion to I = 0): |
7.18 |
pK22.31 nm−2 (normalized): |
7.80 |
Site Density in nm-2: |
0.5811 |
Original Site Density: |
0.000193 mol / g solid
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Potentiometric Titration |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | Unknown |
Comment: |
25+-2°C, N2-atmosphere, PZC <2; pK1: -0.3 to 2.77; pK2: 5.8 to 7.2; SSD 21.3 to 193.4 µmol/g |
|