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-> + 2 H<1+>  ⇔  »Fe-OH-H2CO3
LogK: 22.33        LogK°I=0 (Conversion to I = 0):   22.33         LogK2.31 nm−2 (SSD-normalized):   23.27
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: outer-sphere complex; identical formation constant for the inner-sphere complex -FeOCOOH; good fits for both configurations; total suspension carbonate 59µM
 
1 data sets were retrieved