RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Illite
Reference: CVMC22
SCM Type: NE - Non-electrostatic
Ligand: Fe<2+> - iron(II)
Site Type: »X(s)-OH
Equation: »X(s)-OH + Fe<2+>  ⇔  »X(s)-O-Fe<1+> + H<1+>
LogK: 3.4 ± 0.2         LogK°I=0 (Conversion to I = 0):   3.72
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaCl
Temperature: 298.15 K
Solid/Liquid Ratio: 1.0 g/L
pH Range: 2 - 10
Ligand Concentration Range: 1E-7 mol/L
Fit Method: PHREEQC
Comment: Fe(II) sorption on illite withsorption model, in which oxidation was not considered;
cation exchange reaction: 2Na<1+>-illite + Fe<2+> = Fe<2+>-illite + 2Na<1+> with log K = 2.0 ± 0.1
 
1 data sets were retrieved