RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: KHL99
SCM Type: TL - Triple Layer
Ligand: CO3<2-> - carbonate
Site Type: »Fe-OH
Equation: »Fe-OH + CO3<2-> + H<1+>  ⇔  »Fe-O-COO<1-> + H2O
LogK: 12.59        LogK°I=0 (Conversion to I = 0):   12.59         LogK2.31 nm−2 (SSD-normalized):   13.53
Experiment: Potentiometric Titration
Ionic Strength: 0.0 mol/L NaClO4
Solid/Liquid Ratio: 5.75 g/L
pH Range: 4-7.5
Ligand Concentration Range: 5.9E-5 mol/L
Fit Method: FITEQL
Comment: inner-sphere complex;good fits for both configurations; total suspension carbonate 59µM
 
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