RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral:	Montmorillonite
Reference:	SBBM14
SCM Type:	NE - Non-electrostatic
Ligand:	Fe<2+> - iron(II)
Site Type:	»X(s)-OH
Equation:	»X(s)-OH + Fe<2+> ⇔ »X(s)-O-Fe<2+> + H<1+> + e<1->
LogK:	-1.4 ± 0.3 LogK°_I=0 (Conversion to I = 0): -1.08
Experiment:	Batch Sorption Experiments
Ionic Strength:	0.1 mol/L NaClO4
Temperature:	298.15 K
Solid/Liquid Ratio:	1.0 g/L
pH Range:	2 - 10
Ligand Concentration Range:	3E-8 mol/L
Fit Method:	MINSORB
Comment:	SWy-2; site types and protolysis reactions taken from [BB97b]; also ion exchange reaction given: 2Na<1+>-clay + Fe<2+> = Fe<2+>-clay + 2Na<1+> with logK = 0.8 ± 0.3

1 data sets were retrieved