Mineral: |
Quartz |
Reference: |
SEM99 |
SCM Type: |
TL - Triple Layer
(C1: 1.3 F/m2, C2: 0.2 F/m2) |
Ionic Strength: |
0.1 mol/L of
NaNO3
|
Site Type: |
»Si-OH |
PZC: |
|
pK1: |
2.77 |
pK1°I=0 (Conversion to I = 0): |
2.66 |
pK12.31 nm−2 (normalized): |
3.06 |
pK2: |
6.77 |
pK2°I=0 (Conversion to I = 0): |
6.66 |
pK22.31 nm−2 (normalized): |
6.48 |
Site Density in nm-2: |
4.4852 |
Original Site Density: |
0.000102 mol / L solution
|
Solid/Liquid Ratio in g/L: |
3.3 |
pH Range: |
3-9 |
Temperature in K: |
295.65 |
Method for Site Density: |
Tritium Exchange |
Method for Protolysis: | Literature |
Fit Method: | FITEQL |
Comment: |
pK from [H81] original [H77] probably for amorphous silica (SSA 264m^2/g); total surface sites 1.023E-4 mol/L; SSD, C1 and C2 from [R82]; temperature 20-25°C |
|