RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: KNT18
SCM Type: TL - Triple Layer
Ligand: SO4<2-> - sulfate
Site Type: »Fe-OH
Equation: 2 »Fe-OH + SO4<2-> + 2 H<1+>  ⇔  (»Fe-OH2<1+>)2_SO4<2->
LogK: 21.3        LogK°I=0 (Conversion to I = 0):   21.94         LogK2.31 nm−2 (SSD-normalized):   23.17
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: extended TLM; values refer to the hypothetical 1 M standard state; bidentate-binuclear outer-sphere surface complex; experimental data obtained from [DL78b]
 
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