Mineral: |
amorphous Al(OH)₃ |
Reference: |
MG97 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
AsO4<3->
- arsenate
|
Site Type: |
»Al-OH |
Equation: |
»Al-OH + AsO4<3-> + 2 H<1+> ⇔ »Al-HAsO4<1-> + H2O |
LogK: |
27.05 LogK°I=0 (Conversion to I = 0): 28.23
LogK2.31 nm−2 (SSD-normalized): 30.67
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaCl
|
Fit Method: |
FITEQL |
Comment: |
original reaction equation in the study: »Al-OH + H3AsO4 = »Al-HAsO4<1-> + H<1+> + H2O with logK = 6.43, formation constant in aqueous solution: H3AsO4 = AsO4<3-> + 3H<1+> with logK = -20.62 [GFFGN03] |
|