RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: GGSC98
SCM Type: CC - Constant Capacitance
Ligand: Si(OH)4<0> - Silicic acid
Site Type: »Fe-OH
Equation: »Fe-O2H + Si(OH)4<0>  ⇔  »Fe-OH2-SiO4<1-> + H<1+> + H2O
LogK: -3.89        LogK°I=0 (Conversion to I = 0):   -3.89         LogK2.31 nm−2 (SSD-normalized):   1.01
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaNO3
Solid/Liquid Ratio: 0.82 g/L
Fit Method: GRFIT
Comment: manuscript of the paper in [G98], experimental ionic strength 0.01M; [H2CO3]total=16.4µM, [H4SiO4]total=0.76mM; logK obtained from experimental data reported by [S79] using a mass related total site concentration of 0.35mmol/g
 
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