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: CO3<2-> - carbonate
Site Type: »Fe-OH
Equation: 2 »Fe-OH + CO3<2-> + 2 H<1+>  ⇔  (»Fe-OH2)2-CO3<2+>
LogK: 19.23        LogK°I=0 (Conversion to I = 0):   19.87         LogK2.31 nm−2 (SSD-normalized):   21.10
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaNO3
Solid/Liquid Ratio: 12.8 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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