RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Goethite
Reference: MS92
SCM Type: CC - Constant Capacitance
Ligand: Pb<2+> - lead
Site Type: »Fe-OH
Equation: 2 »Fe-OH + Pb<2+>  ⇔  (»Fe-O)2-Pb + 2 H<1+>
LogK: -6.27        LogK°I=0 (Conversion to I = 0):   -6.18         LogK2.31 nm−2 (SSD-normalized):   4.83
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L KNO3
Solid/Liquid Ratio: 10.0 g/L
pH Range: 3-8
Ligand Concentration Range: 6.83E-4 mol/L
Fit Method: MICROQL
Comment: in the paper the following equation is given: 2»Fe-OOH + Pb<2+> = (»Fe-OO)2-Pb<1+> + 2 H<1+>; logK=-6.27-logA (A: oxide added in kg/dm^3)); average ligand number 1.25 constant at the concentration range of adsorption
 
1 data sets were retrieved