Mineral: |
Kaolinite |
Reference: |
SS98a |
SCM Type: |
NE - Non-electrostatic
|
Ionic Strength: |
0.01 mol/L of
NaClO4
|
Site Type: |
»X-OH |
PZC: |
5.36 |
pK1: |
3.5 |
pK1°I=0 (Conversion to I = 0): |
3.46 |
pK12.31 nm−2 (normalized): |
3.14 |
pK2: |
7.2 |
pK2°I=0 (Conversion to I = 0): |
7.16 |
pK22.31 nm−2 (normalized): |
7.56 |
Site Density in nm-2: |
1.0000 |
Original Site Density: |
1.0 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
296.15 |
Method for Site Density: |
Mean of Different Sources |
Method for Protolysis: | Batch Sorption Experiments |
Fit Method: | FITEQL |
Comment: |
amphoteric surface site >>XOH may be either >>Al-OH or >>Si-OH; reported SSD vary between 0.6 [S84] and 6 [CZSR92] sites/nm^2: assumption of SSD=1 site/nm^2; pK1=3.5+0.2-0.3; temperature 23+-1°C; PZNPC=5.36+-0.02 [CZSR92] |
|