Mineral: |
Montmorillonite |
Reference: |
MG96a |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
PO4<3->
- phosphate
|
Site Type: |
»X-OH |
Equation: |
»X-OH + PO4<3-> + H<1+> ⇔ »X-PO4<2-> + H2O |
LogK: |
17.672 LogK°I=0 (Conversion to I = 0): 18.74
LogK2.31 nm−2 (SSD-normalized): 21.99
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaCl
|
Temperature: |
295.15 K |
Solid/Liquid Ratio: |
2.5 g/L |
pH Range: |
2-10 |
Ligand Concentration Range: |
6.7E-6 mol/L |
Fit Method: |
FITEQL |
Comment: |
temperature 22+-1°C; original reaction equation in the study: »X-OH + H3PO4 = »X-PO4<2-> + 2 H<1+> + H2O with logK = -4.03, formation constant in aqueous solution: PO4<3-> + 3 H<+> => H3PO4<0> logK = 21.702 [GFFGN03] |
|