RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Goethite
Reference: VTL01
SCM Type: TL - Triple Layer
Ligand: Na<1+> - sodium
Site Type: »Fe-OH
Equation: 2 »Fe-OH + Na<1+> + CO3<2->  ⇔  (»Fe-O)2-HNaCO3<2-> + H<1+>
LogK: 12.08        LogK°I=0 (Conversion to I = 0):   12.51         LogK2.31 nm−2 (SSD-normalized):   13.95
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaNO3
Solid/Liquid Ratio: 9.6 g/L
Fit Method: FITEQL
Comment: binuclear configuration (equation not given, only proposal for binuclear monodentate; 400 µatm CO2; also NaClO4 as backgrouind electrolyte
 
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