RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results

Surface Complex Formation Data:

Mineral:	Montmorillonite
Reference:	CK18
SCM Type:	NE - Non-electrostatic
Ligand:	Ra<2+> - radium
Site Type:	»X(s)-OH
Equation:	»X(s)-OH + Ra<2+> ⇔ »X(s)-O-Ra<1+> + H<1+>
LogK:	-0.9
Experiment:	Sorption Isotherms
Ionic Strength:
Solid/Liquid Ratio:	0.3 g/L
pH Range:	7 0.05
Fit Method:	PHREEQC
Comment:	3-320 Bq of ²²⁶Ra stock; also ion exchange reaction given: 2»X-Na + Ra<2+> = »X2-Ra + 2Na<1+> log K = 0.2; salinty varied experimental data (10 mM CaCl2, MgCl2, KCl, SrCl2 or 10 mequiv/L ionic strength artificial groundwater (AGW); increasing ionic strength 100 mequiv/L artificial brackish water (ABW) and 800 mequiv/L artificial seawater (ASW))

1 data sets were retrieved