Mineral: |
Montmorillonite |
Reference: |
G99 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
B(OH)3<0>
- boric acid
|
Site Type: |
»Al-OH |
Equation: |
»Al-OH + B(OH)3<0> ⇔ »Al-O-B(OH)3<1-> + H<1+> |
LogK: |
-3.82 LogK°I=0 (Conversion to I = 0): -3.93
LogK2.31 nm−2 (SSD-normalized): -0.55
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaCl
|
Solid/Liquid Ratio: |
30.0 g/L |
pH Range: |
6.5-11 |
Ligand Concentration Range: |
4.63E-4 mol/L |
Fit Method: |
FITEQL |
Comment: |
pK and logK fitted simultaneously; reanalysis of boron adsorption of [GG86] with postulation of both trigonal (B(OH)3) and tetrahedral (B(OH)4-) B surface complexes consistent with experimental ATR-FTIR results [SS95] |
|