RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: DLFJR03
SCM Type: CC - Constant Capacitance
Ligand: SeO3<2-> - selenite
Site Type: »Fe-OH
Equation: »Fe-OH + SeO3<2-> + H<1+>  ⇔  »FeO-SeO2<1-> + H2O
LogK: 16.0         LogK2.31 nm−2 (SSD-normalized):   16.94
Experiment: Batch Sorption Experiments
Ionic Strength: NaNO3
Temperature: 298.0 K
pH Range: 2-12
Ligand Concentration Range: 4E-4 and 2E-5 mol/L
Fit Method: FITEQL
Comment: 1.3-6 g/L solid/liquid ratio; solid before and after sorption examined by SEM, XRD and XPS; sorption capacity for Se(IV) higher than SSD measured by pot.titration; surface coverage 0.1 and 0.5 sites/nm^2; 0.1 or 0.01M NaNO3: extrapolation to IS=0?
 
1 data sets were retrieved