Mineral: |
Anatase |
Reference: |
QYJ18 |
SCM Type: |
CDM - (CD-)MUSIC |
Ligand: |
AsO3<3->
- arsenite
|
Site Type: |
»Ti-singly |
Equation: |
»Ti-singly-OH<-1/3> + AsO3<3-> + Ca<2+> + 2 H<1+> ⇔ »Ti-singly-OH-Ca-H2AsO3<+2/3> |
LogK: |
45.944 LogK°I=0 (Conversion to I = 0): 46.27
LogK2.31 nm−2 (SSD-normalized): 46.58
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.002 mol/L
NaCl
|
Temperature: |
299.0 K |
pH Range: |
8.2 |
Ligand Concentration Range: |
4.004E-7 mol/L |
Fit Method: |
MINTEQ |
Comment: |
0.2 - 22 g/L; Ca<2+> concentration: 8.95E-4 mol/L; original equation in the study: »Ti-singly-OH<-1/3> + H3AsO3 + Ca<2+> = »Ti-singly-OH-Ca-H2AsO3<+2/3> + H<1+> with logK = 11.2 (AsO3<3-> +H<1+> = H3AsO3 log K = 34.744) |
|