RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: GJSL07
SCM Type: TL - Triple Layer
Ligand: MoO4<2-> - molybdate
Site Type: »X-OH
Equation: »X-OH + MoO4<2-> + H<1+>  ⇔  »X-OH2<1+>-MoO4<2->
LogK: 11.91         LogK2.31 nm−2 (SSD-normalized):   11.72
Experiment: Batch Sorption Experiments
Ionic Strength: NaCl
Temperature: 296.25 K
Solid/Liquid Ratio: 4.0 g/L
pH Range: 5-11
Fit Method: FITEQL
Comment: 1 mM Mo; original reaction equation in the article is given as »X-OH + H2MoO4 = »XOH2<1+>-MoO4<2-> + H<1+> with logK = 3.76; thermodynamic data: logK = 8.15 for the reaction 2H<1+> + MoO4<2-> = H2MoO4 [Thermochimie data base 9]
 
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