RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Goethite
Reference: AWJ99b
SCM Type: CC - Constant Capacitance
Ligand: Cd<2+> - cadmium
Site Type: »Fe-OH
Equation: »Fe-OH + Cd<2+>  ⇔  »Fe-O-Cd<1+> + H<1+>
LogK: -2.29        LogK°I=0 (Conversion to I = 0):   -2.19         LogK2.31 nm−2 (SSD-normalized):   -1.57
Experiment: Potentiometric Titration
Ionic Strength: 0.005 mol/L KNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 1.9 g/L
pH Range: 3-10
Ligand Concentration Range: 5E-5 mol/L
Fit Method: FITEQL
Comment: furthermore calculation of Langmuir parameters for adsorption and of thermodynamic parameters for surface reactions; also for other temperatures (10, 40, 55, 70°C)
 
1 data sets were retrieved