| Mineral: |
Alumina |
| Reference: |
HS76 |
| SCM Type: |
CC - Constant Capacitance
|
| Ionic Strength: |
0.1 mol/L of
NaClO4
|
| Site Type: |
»Al-OH |
| PZC: |
8.3 |
| pK1: |
7.2 |
pK1°I=0 (Conversion to I = 0): |
7.09 |
pK12.31 nm−2 (normalized): |
6.95 |
| pK2: |
9.5 |
pK2°I=0 (Conversion to I = 0): |
9.39 |
pK22.31 nm−2 (normalized): |
9.75 |
| Site Density in nm-2: |
1.3000 |
| Original Site Density: |
1.3 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
|
| pH Range: |
4-10 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Sorption Isotherms |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: |
| Comment: |
cited in [GS84a], [SS87], [H81], [V03] and [WH80], C1 fixed at 1.06 F/m^2 [WH80], exchange capacity 0.25 mol/kg=1.3 OH groups/100 A^2;PZC=1/2 (pK1+pK2); SSD cited in [WH80]=1.6; solid concentration 3.16-17.40 g/L |
| |
