RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Goethite
Reference: ZSK95
SCM Type: NE - Non-electrostatic
Ligand: Co<2+> - cobalt(II)
Site Type: »Fe-OH
Equation: »Fe-OH + Co-EDTA<2-> + H<1+>  ⇔  »Fe-OH2-CoEDTA<1->
LogK: 10.73        LogK°I=0 (Conversion to I = 0):   11.28         LogK2.31 nm−2 (SSD-normalized):   11.67
Experiment: Batch Sorption Experiments
Ionic Strength: 0.003 mol/L Ca(ClO4)2
Solid/Liquid Ratio: 0.5 g/L
pH Range: 2 - 10
Ligand Concentration Range: 1E-5 mol/L
Fit Method: FITEQL
Comment: original equation in the study: »Fe-OH2<1+> + Co-EDTA<2-> = »Fe-OH2-Co-EDTA<1-> with logK = 5.13; concentration of Co(II)EDTA<2-> = 1E-5 mol/L
 
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