Mineral: |
Hematite |
Reference: |
KHL99 |
SCM Type: |
TL - Triple Layer |
Ligand: |
NpO2<1+>
- neptunyl(V)
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + NpO2<1+> + 2 CO3<2-> + H<1+> ⇔ »Fe-O-NpO2(HCO3)2<2-> |
LogK: |
24.62 LogK°I=0 (Conversion to I = 0): 24.62
LogK2.31 nm−2 (SSD-normalized): 25.56
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaClO4
|
Solid/Liquid Ratio: |
1.0 g/L |
pH Range: |
4-10 |
Ligand Concentration Range: |
1.2E-7 M Np; 1.95% CO2 mol/L |
Fit Method: |
FITEQL |
Comment: |
modeled as an inner-sphere complex; 0.005-0.1M, no ionic strength dependence |
|