RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Montmorillonite
Reference: PKZZ11
SCM Type: NE - Non-electrostatic
Ligand: Pu<4+> - plutonium(IV)
Site Type: »Al(s)-OH
Equation: »Al(s)-OH + Pu<4+> + 2 H2O  ⇔  »Al(s)-O-Pu(OH)2<1+> + 3 H<1+>
LogK: 7.34        LogK°I=0 (Conversion to I = 0):   7.92         LogK2.31 nm−2 (SSD-normalized):   3.11
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L NaCl
Solid/Liquid Ratio: 3.7 g/L
pH Range: 4-10
Ligand Concentration Range: 1.67E-7 mol/L
Fit Method: FIT4FD
Comment: Surface complexation constants describing Pu(IV)/Pu(V) sorption to aluminol and silanol groups were developed from the silica and gibbsite sorption experiments and applied to the montmorillonite dataset
 
1 data sets were retrieved