Mineral: |
Ferrihydrite |
Reference: |
LPSG17 |
SCM Type: |
CDM - (CD-)MUSIC |
Ligand: |
VO4<3->
- vanadate
|
Site Type: |
»Fe-singly |
Equation: |
2 »Fe-OH<0.5-> + VO4<3-> + 2 H<1+> ⇔ (»Fe-O)2-VO2<2-> + 2 H2O |
LogK: |
30.06 LogK°I=0 (Conversion to I = 0): 30.55
LogK2.31 nm−2 (SSD-normalized): 30.21
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.01 mol/L
NaNO3
|
pH Range: |
3 - 10.5 |
Ligand Concentration Range: |
5E-6; 5E-5 mol/L |
Fit Method: |
MINTEQ |
Comment: |
surface charging parameters of [TSPG13]; 0.3, 1, 3 mM Fe; original equation in the study: 2 »Fe-OH<0.5-> + HVO4<2-> + H<1+> = (»Fe-O)2-VO2<2-> + 2 H2O with logK = 16.39 (VO4<3-> + H<1+> = HVO4<2->, log K = 13.67 [PS04b]) |
|