Mineral: |
Gibbsite |
Reference: |
DBMCB98 |
SCM Type: |
NE - Non-electrostatic
|
Ionic Strength: |
0.1 mol/L of
NaClO4
|
Site Type: |
»Al-OH |
PZC: |
7.9 |
pK1: |
5.7 |
pK1°I=0 (Conversion to I = 0): |
5.59 |
pK12.31 nm−2 (normalized): |
6.34 |
pK2: |
9.4 |
pK2°I=0 (Conversion to I = 0): |
9.29 |
pK22.31 nm−2 (normalized): |
8.76 |
Site Density in nm-2: |
10.0000 |
Original Site Density: |
10.0 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
6.0 |
pH Range: |
6-9 |
Temperature in K: |
298.15 |
Method for Site Density: |
Mean of Different Sources |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | EQIL-DISSOL |
Comment: |
SSD from [HVB87] for the singly coordinated hydroxyl groups at the edges of a-Al(OH)3, surface site concentration 0.08 mM/L, pK in CO2-free solution; PZC=7.9+-0.1 |
|