RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: NSHK21
SCM Type: DDL - Diffuse Double Layer
Ligand: Zn<2+> - zinc
Site Type: »Fe(w)-OH
Equation: 2 »Fe(w)-OH + 2 Zn<2+> + H2O  ⇔  »Fe(w)-OH-»Fe(w)-OZnOZn<1+> + 3 H<1+>
LogK: -13.23 ± 0.098         LogK°I=0 (Conversion to I = 0):   -12.69         LogK2.31 nm−2 (SSD-normalized):   -9.77
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 5.0 g/L
pH Range: 4 - 9
Ligand Concentration Range: 1.12E-4; 1.12E-3; 1.12E-2 mol/L
Fit Method: FITEQL
Comment: U-DLM, CO2 free conditions
 
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