RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: RK14
SCM Type: DDL - Diffuse Double Layer
Ligand: Co<2+> - cobalt(II)
Site Type: »Fe-OH
Equation: »Fe-OH + Co<2+>  ⇔  »Fe-O-Co<1+> + H<1+>
LogK: -2.46         LogK2.31 nm−2 (SSD-normalized):   -1.52
Experiment: Batch Sorption Experiments
Ionic Strength: NaNO3
pH Range: 4-10
Ligand Concentration Range: 0.1 mM and 1E-8 mol/L
Fit Method: FITEQL
Comment: recalculated values from [GJEAA00], with input parameters reported in the original papers, logK(Na+)=0.8, logK(NO3-)=9.2; experiments in 0.05, 0.1N, and 1M NaNO3; discrepancy between reported logK in the text (2.46) and the value in figure 5 (-2.46)
 
1 data sets were retrieved