| Mineral: |
Alumina |
| Reference: |
HS73 |
| SCM Type: |
DDL - Diffuse Double Layer
|
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»Al-OH |
| PZC: |
8.5 |
| pK1: |
7.9 |
pK1°I=0 (Conversion to I = 0): |
7.90 |
pK12.31 nm−2 (normalized): |
7.29 |
| pK2: |
9.1 |
pK2°I=0 (Conversion to I = 0): |
9.10 |
pK22.31 nm−2 (normalized): |
9.71 |
| Site Density in nm-2: |
0.5662 |
| Original Site Density: |
0.00011 mol / g solid
|
| Solid/Liquid Ratio in g/L: |
|
| pH Range: |
4.5-11 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Potentiometric Titration |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | graphic extrapolation |
| Comment: |
sum of surface functional groups [X+], [X-] given as 1.1e-4 and 1.0E-4 equiv/g; gives each surface function group an area of approx. 160 Angström^2/site (?); SCM type not expl. specified, ionic strengths were 0.001, 0.03, 0.01, 0.03, and 0.1 M; temperature 25+-2°C |
| |
