RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results

Surface Complex Formation Data:

Mineral:	Montmorillonite
Reference:	PKZZ11
SCM Type:	NE - Non-electrostatic
Ligand:	Pu<4+> - plutonium(IV)
Site Type:	»Si(s)-OH
Equation:	»Si(s)-OH + Pu<4+> + 4 H2O ⇔ »Si(s)-O-Pu(OH)4<1-> + 5 H<1+>
LogK:	-7.58 LogK°_I=0 (Conversion to I = 0): -7.09
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:	1.2E-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