RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Gibbsite
Reference: G10
SCM Type: CC - Constant Capacitance
Ligand: MoO4<2-> - molybdate
Site Type: »Al-OH
Equation: »Al-OH + MoO4<2-> + 2 H<1+>  ⇔  »Al-H-MoO4 + H2O
LogK: 15.78        LogK°I=0 (Conversion to I = 0):   16.42         LogK2.31 nm−2 (SSD-normalized):  
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaCl
Temperature: 296.15 K
Solid/Liquid Ratio: 0.8 g/L
pH Range: 2 - 12
Ligand Concentration Range: 3.13E-6; 3.13E-5; 3.13E-4 mol/L
Fit Method: FITEQL
Comment: original reaction equation in the article is given as »X-OH + H2MoO4 = »XH-MoO4 + H2O with logK = 7.54; thermodynamic data: logK = 8.14 for the reaction 2H<1+> + MoO4<2-> = H2MoO4 (Lindsay, 1979)
 
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