RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: FAYKN13
SCM Type: TL - Triple Layer
Ligand: SO4<2-> - sulfate
Site Type: »Fe-OH
Equation: 2 »Fe-OH + SO4<2-> + H<1+>  ⇔  (»Fe-OH)(»FeOSO3<1->) + H2O
LogK: 13.6        LogK°I=0 (Conversion to I = 0):   14.14         LogK2.31 nm−2 (SSD-normalized):   15.47
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 0.082 g/L
pH Range: 4 - 9
Ligand Concentration Range: 1E-5; 1E-3 mol/L
Fit Method: GEOSURF
Comment: constants refer to site-occupancy standard state; extended TLM; source: Davis and Leckie (1978)
 
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