Mineral: |
Hematite |
Reference: |
KHL99 |
SCM Type: |
TL - Triple Layer |
Ligand: |
CO3<2->
- carbonate
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + CO3<2-> + 2 H<1+> ⇔ »Fe-O-COOH + H2O |
LogK: |
22.32 LogK°I=0 (Conversion to I = 0): 22.32
LogK2.31 nm−2 (SSD-normalized): 23.26
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.0 mol/L
NaClO4
|
Solid/Liquid Ratio: |
5.75 g/L |
pH Range: |
4-7.5 |
Ligand Concentration Range: |
5.9E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
inner-sphere complex; identical formation constant for the outer-sphere complex -FeOH-(HO)2CO; good fits for both configurations; total suspension carbonate 59µM |
|