RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: ASD04
SCM Type: TL - Triple Layer
Ligand: CO3<2-> - carbonate
Site Type: »Fe-OH
Equation: »Fe-OH + CO3<2-> + H<1+>  ⇔  »FeO-CO2<1-> + H2O
LogK: 13.765        LogK°I=0 (Conversion to I = 0):   13.77         LogK2.31 nm−2 (SSD-normalized):   14.70
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaCl
Temperature: 298.0 K
Solid/Liquid Ratio: 1.0 g/L
Fit Method: FITEQL
Comment: fit to the experimental data of [KHL99]; PCO2 = 10-3.5 atm (original equation in the study: »Fe-OH + H2CO3 = »FeO-CO2<1-> + H<1+> + H2O with log K = -2.91)
 
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