RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: IYT14
SCM Type: TL - Triple Layer
Ligand: HSe<1-> - Hydrogen selenide
Site Type: »Fe-OH
Equation: »Fe-OH + HSe<1->  ⇔  »FeSe<1-> + H2O
LogK: 6.0         LogK2.31 nm−2 (SSD-normalized):   6.94
Experiment: Batch Sorption Experiments
Ionic Strength: NaCl
Temperature: 298.15 K
pH Range: 7-13
Ligand Concentration Range: 1.3E-8 mol/L
Fit Method: MINTEQ
Comment: inner-sphere complexation; ionic strength 0.01, 0.1, 1 mol/l; logK(HSe) determined by the least-squares fitting to the experimental data; values for the background electrolyte NaCl: logK(Na) = -8.8 from [HL86a]; logK(Cl) = 8 from [FS07a]
 
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