Mineral: |
Goethite |
Reference: |
GS84a |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
PO4<3->
- phosphate
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + PO4<3-> + 2 H<1+> ⇔ »Fe-HPO4<1-> + H2O |
LogK: |
28.952 LogK°I=0 (Conversion to I = 0): 30.13
LogK2.31 nm−2 (SSD-normalized):
|
Experiment: |
Sorption Isotherms |
Ionic Strength: |
0.1 mol/L
NaClO4
|
Fit Method: |
FITEQL |
Comment: |
adsorption isotherm data from [S79]; FITEQL/MICROQL; original equation: »Fe-OH + H3PO4 = »Fe-HPO4<1-> + H2O + H<1+> with log K = 7.25, formation constant in aqueous solution: PO4<3-> + 3H<1+> = H3PO4 logK = 21.702 [GFFGN03] |
|