RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Corundum
Reference: KB01
SCM Type: TL - Triple Layer
Ligand: Sr<2+> - strontium
Site Type: »Al-OH
Equation: »Al-OH + Sr<2+>  ⇔  »Al-O<1->-Sr<2+> + H<1+>
LogK: -14.96         LogK2.31 nm−2 (SSD-normalized):   -16.35
Experiment: Batch Sorption Experiments
Ionic Strength: NaNO3
Temperature: 298.15 K
Ligand Concentration Range: 5E-5 mol/L
Fit Method: FITEQL
Comment: ionic strength of 0.01 and 0.5 M; Log formation outer-sphere Sr(II) surface complex; SSD = 2 sites/nm²; pK values and SSD from [KH95a]; wrong equation in the study: »Al-OH + Sr<2+> + H2O = »Al-O<1->-Sr<2+> + H<1+>
 
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