RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: ZS89
SCM Type: TL - Triple Layer
Ligand: NO3<1-> - nitrate
Site Type: »Fe-OH
Equation: »Fe-OH + NO3<1-> + H<1+>  ⇔  »Fe-OH2-NO3
LogK: 7.6         LogK2.31 nm−2 (SSD-normalized):   8.54
Experiment: Potentiometric Titration
Ionic Strength: NaNO3
Fit Method: FITEQL
Comment: solid concentration and ionic strength not stated explicitly, in adsorption experiments 15.8 g/L; original equation in the study: »Fe-OH2<1+> + NO3<1-> = »Fe-OH2<1+>-NO3<1-> with logK = 7.6
 
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