Mineral: |
Gibbsite |
Reference: |
MG96b |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
PO4<3->
- phosphate
|
Site Type: |
»Al-OH |
Equation: |
»Al-OH + PO4<3-> + 3 H<1+> ⇔ »Al-H2PO4 + H2O |
LogK: |
31.602 LogK°I=0 (Conversion to I = 0): 32.89
LogK2.31 nm−2 (SSD-normalized): 33.94
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaCl
|
Temperature: |
296.15 K |
Solid/Liquid Ratio: |
2.5 g/L |
pH Range: |
2.5-11 |
Ligand Concentration Range: |
2.66E-4 mol/L |
Fit Method: |
FITEQL |
Comment: |
one-site approach (monodentate only); original reaction equation in the study: »Al-OH + H3PO4 = »Al-H2PO4 + H2O with logK = 9.9, formation constant in aqueous solution: PO4<3-> + 3 H<+> => H3PO4<0> logK = 21.702 [GFFGN03] |
|