RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: CK18
SCM Type: DDL - Diffuse Double Layer
Ligand: Ra<2+> - radium
Site Type: »Fe-OH
Equation: »Fe-OH + Ra<2+>  ⇔  »Fe-O-Ra<1+> + H<1+>
LogK: -2.5         LogK2.31 nm−2 (SSD-normalized):   2.05
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; 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