Mineral: |
Hematite |
Reference: |
SS97a |
SCM Type: |
TL - Triple Layer
(C1: 0.9 F/m2, C2: 0.2 F/m2) |
Ionic Strength: |
0.0 mol/L of
CsCl
|
Site Type: |
»Fe-OH |
PZC: |
8.4 |
pK1: |
5.6 |
pK1°I=0 (Conversion to I = 0): |
5.60 |
pK12.31 nm−2 (normalized): |
6.58 |
pK2: |
11.2 |
pK2°I=0 (Conversion to I = 0): |
11.20 |
pK22.31 nm−2 (normalized): |
10.22 |
Site Density in nm-2: |
22.0000 |
Original Site Density: |
22.0 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
|
Method for Site Density: |
Tritium Exchange |
Method for Protolysis: | Mean of Different Sources |
Fit Method: | GEOSURF |
Comment: |
raw data from [B73]; 0.1, 0.01 and 0.001 M CsCl; PCZ=0.5(pK1+pK2); pK1 and pK2 predicted from experimental PZC and from delta pK |
|