RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: BC90
SCM Type: TL - Triple Layer
Ligand: SeO3<2-> - selenite
Site Type: »Fe-OH
Equation: 2 »Fe-OH + SeO3<2-> + 2 H<1+>  ⇔  (»Fe)2-SeO3 + 2 H2O
LogK: 25.2        LogK°I=0 (Conversion to I = 0):   25.84         LogK2.31 nm−2 (SSD-normalized):   27.07
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L KCl
Ligand Concentration Range: 4.4 mg/L mol/L
Fit Method:
Comment: log K value for 264 mg/L: 26.15, inner sphere complex, background electrolyte data from [D78] and [DJL78] assuming KCl behaves like NaNO3
 
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