RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral:	Montmorillonite
Reference:	BB05a
SCM Type:	NE - Non-electrostatic
Ligand:	Th<4+> - thorium
Site Type:	»X(s)-OH
Equation:	»X(s)-OH + Th<4+> + H2O ⇔ »X(s)-O-Th(OH)<2+> + 2 H<1+>
LogK:	2.7 LogK°_I=0 (Conversion to I = 0): 4.20
Experiment:	Batch Sorption Experiments
Ionic Strength:	0.1 mol/L NaClO4
Solid/Liquid Ratio:	0.42 g/L
pH Range:	3-11
Ligand Concentration Range:	<1E-9 mol/L
Fit Method:	MINSORB
Comment:	Na-montmorillonite, unpublished data of Bradbury and Baeyens; 0.1 and 1M NaClO4; MINSORB code (2-site protolysis no electrostatics surface complexation and cation exchange model developed and incorporated into MINEQL)

1 data sets were retrieved