Mineral: |
Ferrihydrite |
Reference: |
WAT01c |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
SeO4<2->
- selenate
|
Site Type: |
»Fe-OH |
Equation: |
2 »Fe-OH + SeO4<2-> + 2 H<1+> ⇔ (»Fe-OH2)2-SeO4 |
LogK: |
19.46 ± 0.1
LogK°I=0 (Conversion to I = 0): 20.10
LogK2.31 nm−2 (SSD-normalized): 21.33
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.1 mol/L
KCl
|
pH Range: |
4-11 |
Ligand Concentration Range: |
6.7E-7 mol/L |
Fit Method: |
FITEQL |
Comment: |
S/L ratio: 0.0264 and 0.264 g/L; experimental data from [BC90] |
|