Mineral: |
Kaolinite |
Reference: |
EHL14 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
Nb(OH)5<0>
- niobium(V) hydroxyde
|
Site Type: |
»X-OH |
Equation: |
»X-OH + Nb(OH)5<0> ⇔ »X-O-Nb(OH)5<1-> + H<1+> |
LogK: |
1.79 LogK°I=0 (Conversion to I = 0): 1.68
LogK2.31 nm−2 (SSD-normalized): 1.60
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaClO4
|
Solid/Liquid Ratio: |
1.0 g/L |
pH Range: |
4 - 11 |
Ligand Concentration Range: |
6.6E-9 mol/L |
Fit Method: |
PHREEQC |
Comment: |
0.1 M NaClO4 and Ca(ClO4)2 solutions; original equation in the study: »X-O<1-> + Nb(OH)5<0> = »X-O-Nb(OH)5<1-> with logK = 10.8 |
|