RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: KNT18
SCM Type: TL - Triple Layer
Ligand: SO4<2-> - sulfate
Site Type: »Fe-OH
Equation: »Fe-OH + SO4<2-> + H<1+>  ⇔  »Fe-O-SO3<1-> + H2O
LogK: 10.1         LogK2.31 nm−2 (SSD-normalized):   11.04
Experiment: Batch Sorption Experiments
Ionic Strength: NaCl
Temperature: 298.15 K
Solid/Liquid Ratio: 0.16 g/L
pH Range: 4 - 9
Ligand Concentration Range: 2E-4; 1E-4 mol/L
Fit Method: GEOSURF
Comment: extended TLM; values refer to the hypothetical 1 M standard state; monodentate-mononuclear inner-sphere surface complex; experimental data obtained from [FAYKN13]; 0.01 or 0.1 M NaCl; complexation constants were determined by simultaneous regression of the sulfate adsorption and ferrihydrite surface charge data
 
1 data sets were retrieved