Mineral: |
Magnetite |
Reference: |
JLMGE09 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
Si(OH)4<0>
- Silicic acid
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + Si(OH)4<0> ⇔ »Fe-H2-SiO4<1-> + H<1+> + H2O |
LogK: |
-5.54
LogK2.31 nm−2 (SSD-normalized): -4.60
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
1.0 mol/L
NaNO3
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
6.0 g/L |
pH Range: |
4-10 |
Ligand Concentration Range: |
1.12E-04 mol/L |
Fit Method: |
FITEQL |
Comment: |
three electrostatics models were tested to fit sorption edges: NEM, DDL and CC; best fit obtained by using the DDL model; logK (DDL) = -3.56 |
|