Mineral: |
Hematite |
Reference: |
WAT01b |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
NpO2<1+>
- neptunyl(V)
|
Site Type: |
»Fe-OH |
Equation: |
2 »Fe-OH + NpO2<1+> ⇔ (»Fe-O)2-NpO2<1-> + 2 H<1+> |
LogK: |
-6.79 ± 0.05
LogK°I=0 (Conversion to I = 0): -6.90
LogK2.31 nm−2 (SSD-normalized): -4.92
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Ligand Concentration Range: |
6E-6 and 1E-12 mol/L |
Fit Method: |
FITEQL |
Comment: |
experimental data from batch sorption experiments [NS91] and [TEI95]; 0.1mol/L NaNO3 or 0.1 mol/L tris(hydroxymethhyl)aminomethane+2-morpholinoethane sulfonic acid; no CO2; solid concentration 1 and 20 g/L |
|