RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Gibbsite
Reference: G14
SCM Type: TL - Triple Layer
Ligand: SeO3<2-> - selenite
Site Type: »Al-OH
Equation: »Al-OH + SeO3<2-> + 2 H<1+>  ⇔  »Al-HSeO3 + H2O
LogK: 15.87         LogK2.31 nm−2 (SSD-normalized):   14.48
Experiment: Batch Sorption Experiments
Ionic Strength: NaCl
Temperature: 296.75 K
Solid/Liquid Ratio: 2.0 g/L
pH Range: 1.5 - 12
Ligand Concentration Range: 1.9E-5 mol/L
Fit Method: FITEQL
Comment: 0.01 and 0.001 M NaCl; background electrolyte constants from [G10];
original equation: »Al-OH + H2SeO3 = »Al-HSeO3 + H2O with log K = 4.87 (HSeO3<1-> = SeO3<2-> + H<1+>, log K = -8.36; H2SeO3 = HSeO3<1-> + H<1+>, log K = -2.64 [ONOOR05])
 
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