RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

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)
 
1 data sets were retrieved