RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Goethite
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: 20.3         LogK2.31 nm−2 (SSD-normalized):   22.17
Experiment: Potentiometric Titration
Ionic Strength: KNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 4.17 g/L
pH Range: 4 - 10
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 [YH75]; 1E-4, 1E-3, 1E-2, 1E-1 M K2SO4
 
1 data sets were retrieved