Mineral: |
Hematite |
Reference: |
DLF06 |
SCM Type: |
CC - Constant Capacitance
(C1: 1.5 F/m2) |
Ionic Strength: |
|
Site Type: |
»Fe-OH |
PZC: |
|
pK1: |
6.8 |
|
pK12.31 nm−2 (normalized): |
6.48 |
pK2: |
7.8 |
|
pK22.31 nm−2 (normalized): |
8.12 |
Site Density in nm-2: |
1.1000 |
Original Site Density: |
1.1 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
16.0 |
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Surface Charge |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | FITEQL |
Comment: |
SSA from [DLFJR03]; SSD obtained by saturation curves; no reaction equation is given for the acid-base constants, the use of »Fe-OH2<1+> = »Fe-OH + H<1+> for pK1 and »Fe-OH = Fe-O<1-> + H<1+> for pK2 is supposed |
|