RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
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: 8.8        LogK°I=0 (Conversion to I = 0):   9.34         LogK2.31 nm−2 (SSD-normalized):   9.74
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaClO4
Temperature: 295.15 K
Solid/Liquid Ratio: 4.6 g/L
pH Range: 4 - 9
Ligand Concentration Range: 5E-4; 1E-3 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 [S79], [SS80]
 
1 data sets were retrieved