RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Anatase
Reference: BHV01a
SCM Type: CDM - (CD-)MUSIC
Ligand: MoO4<2-> - molybdate
Site Type: »Ti-singly (w)
Equation: 14 »Ti-singly/doubly (w) + 7 MoO4<2-> + 23 H<1+>  ⇔  14 (»Ti-singly/doubly (w))Mo7O23<-5> + 4 H2O
LogK: 173.0        LogK°I=0 (Conversion to I = 0):   178.46
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 2.5 g/L
pH Range: 4-8
Fit Method: ECOSAT
Comment: value for high-affinity site; no CO2; 6 singly and 8 doubly coordinated sites!!!; equation 6 »Ti-(w)-OH<-1/3> + 8 »Ti-O<-2/3> + 7 MoO4<2-> + 23 H<1+> = (»TiOH2<+2/3>)6(Ti2OH<+1/3>)8-Mo7O23(OH)<-5> + 4 H2O
 
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