| Mineral: |
Hematite |
| Reference: |
MLH99 |
| SCM Type: |
TL - Triple Layer
(C1: 1.4 F/m2, C2: 0.2 F/m2) |
| Ionic Strength: |
0.0 mol/L of
NaClO4
|
| Site Type: |
»Fe(w)-OH |
| PZC: |
9.25 |
| pK1: |
8.25 |
pK1°I=0 (Conversion to I = 0): |
8.25 |
pK12.31 nm−2 (normalized): |
8.25 |
| pK2: |
10.25 |
pK2°I=0 (Conversion to I = 0): |
10.25 |
pK22.31 nm−2 (normalized): |
10.25 |
| Site Density in nm-2: |
2.3030 |
| Original Site Density: |
2.303 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
11.8 |
| pH Range: |
5-10.5 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Literature |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | FITEQL |
| Comment: |
total site density of 2.31 recommended by [DK90]; 25+-0.1°C; ratio of strong to weak sites = 1:325 according to [WDPWX94]; I = 0.006, 0.05 and 0.5 M; pK derived from PZC=9.25 and delta pK=2; C from [KH95], cized in [MLH99] |
| |
