Mineral: |
Goethite |
Reference: |
RAV94 |
SCM Type: |
TL - Triple Layer |
Ligand: |
Na<1+>
- sodium
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + Na<1+> ⇔ »Fe-O-Na + H<1+> |
LogK: |
-7.2 ± 0.1
LogK2.31 nm−2 (SSD-normalized): -6.26
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
NaClO4
|
pH Range: |
8.5-12 |
Fit Method: |
Comment: |
ionic strength varied between 0.005 and 0.016 M; attention: notation of chemical equation is non-standard ! »Fe-O<1-> + Na<1+> = »Fe-O-Na logK = 1.2 »Fe-OH = »Fe-O<1-> + H<1+> pK2 = -logK = 8.4 sum »Fe-OH + Na<1+> = »Fe-O-Na + H<1+> logK=1.2-8.4= -7.2 |
|