RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: GASM91
SCM Type: TL - Triple Layer
Ligand: Na<1+> - sodium
Site Type: »Fe-OH
Equation: »Fe-OH + Na<1+>  ⇔  »Fe-O-Na + H<1+>
LogK: -8.6 ± 1.8         LogK°I=0 (Conversion to I = 0):   -8.60         LogK2.31 nm−2 (SSD-normalized):   -5.18
Experiment: Potentiometric Titration
Ionic Strength: 0.0 mol/L NaNO3
Temperature: 293.15 K
Solid/Liquid Ratio: 4.45 g/L
pH Range: 4-9
Fit Method: FITEQL
Comment: experiments at I = 0.1, 0.01 and 0.001 M NaNO3; FITEQL/MINEQL; 1.4 g Fe/L = 4.45 g/L
 
1 data sets were retrieved