RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Vernadite
Reference: BM82a
SCM Type: TL - Triple Layer
Ligand: Mg<2+> - magnesium
Site Type: Mn
Equation: »Mn-(OH)2 + Mg<2+>  ⇔  »Mn-O2-Mg + 2 H<1+>
LogK: -3.8        LogK°I=0 (Conversion to I = 0):   -3.80         LogK2.31 nm−2 (SSD-normalized):   0.59
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L sea water
Fit Method: graphic extrapolation
Comment: background electrolyte: major ion seawater (0.49M Na, 0.0517M Mg, 0.00992M Ca,0.01M K, 0.52M Cl, 0.0267M SO4); double extrapolation technique [JDL78] for determination of log K: plotting the ionization term for 0.001, 0.005, and 0.01 M Mg-solution and extrapolation to log c=0 (c=1)and fraction of ionized sites (alpha)=0
 
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