Mineral: |
amorphous Al(OH)₃ |
Reference: |
AB90b |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
PO4<3->
- phosphate
|
Site Type: |
»Al-OH |
Equation: |
»Al-OH + PO4<3-> + 2 H<1+> ⇔ »Al-HPO4<1-> + H2O |
LogK: |
26.35 LogK°I=0 (Conversion to I = 0): 27.53
LogK2.31 nm−2 (SSD-normalized): 30.23
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Solid/Liquid Ratio: |
0.079 g/L |
pH Range: |
5.5-10 |
Ligand Concentration Range: |
1E-6 mol/L |
Fit Method: |
FITEQL |
Comment: |
I=0.1M NaNO3 from [AB90a]; original reaction equation in the study: »Al-OH + HPO4<2-> + H<1+> = »Al-HPO4<1-> + H2O with logK = 14.0; formation constant in aqueous solution: PO4<3-> + H<+> => HPO4<2-> logK = 12.35 |
|