Mineral: |
Hematite |
Reference: |
GJEAA00 |
SCM Type: |
1pK-BS - 1pK-Basic Stern |
Ligand: |
Co<2+>
- cobalt(II)
|
Site Type: |
»Fe-singly |
Equation: |
»Fe-singly-OH<0.5-> + Co<2+> ⇔ »Fe-singly-OH-Co<1.5+> |
LogK: |
6.7 LogK°I=0 (Conversion to I = 0): 6.70
LogK2.31 nm−2 (SSD-normalized): 6.77
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaNO3
|
pH Range: |
4-10 |
Ligand Concentration Range: |
0.1mM and 4E-8 mol/L |
Fit Method: |
FITEQL |
Comment: |
logK(Na+)=0.8, logK(NO3-)=9.2; experiments in 0.05, 0.1N, and 1M NaNO3; introduction of a low concentration of high-affinity sites (0.1 sites/nm^2); inner sphere complex; |
|