RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: HPL88
SCM Type: TL - Triple Layer
Ligand: SeO4<2-> - selenate
Site Type: »Fe-OH
Equation: »Fe-OH + SeO4<2-> + H<1+>  ⇔  »Fe-OH2-SeO4<1->
LogK: 9.6        LogK°I=0 (Conversion to I = 0):   9.60         LogK2.31 nm−2 (SSD-normalized):   10.54
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaNO3
Solid/Liquid Ratio: 0.09 g/L
pH Range: 4-9
Ligand Concentration Range: 1E-4 mol/L
Fit Method: graphic extrapolation
Comment: solid/liquid ratio based on ferrihydrite concentration 5E-4 M and M=177.7 g/mol (Fe2O3*H2O); experiments in 1, 0.1, and 0.013M NaNO3, respectively
 
1 data sets were retrieved