RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: BKEC94
SCM Type: DDL - Diffuse Double Layer
Ligand: Ni<2+> - nickel
Site Type: »Fe(w)-OH
Equation: »Fe(w)-OH + Ni-EDTA<2-> + H<1+>  ⇔  »Fe(w)-Ni-EDTA<1-> + H2O
LogK: 8.38        LogK°I=0 (Conversion to I = 0):   8.38         LogK2.31 nm−2 (SSD-normalized):   10.11
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaNO3
pH Range: 5-10
Ligand Concentration Range: 1E-5 mol/L
Fit Method: FITEQL
Comment: 10E-5 M total EDTA (premixed addition), 0.009 M Fe3+, 0.1 M NaNO3, log K for I=0; model fit for I=0; MINTEQA2/FITEQL
 
1 data sets were retrieved