RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Smectite
Reference: TSSY01
SCM Type: DDL - Diffuse Double Layer
Ligand: Ra<2+> - radium
Site Type: »X-OH
Equation: »X-OH + Ra<2+>  ⇔  »X-O-Ra<1+> + H<1+>
LogK: -7.02        LogK°I=0 (Conversion to I = 0):   -6.70         LogK2.31 nm−2 (SSD-normalized):   -2.89
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaCl
Temperature: 298.15 K
pH Range: 7-11
Ligand Concentration Range: 1.2E-08 mol/L
Fit Method: FITEQL
Comment: L/S ratio was 500 and 50 mL/g
in combination with ion exchange (2ZNa + Ra<2+> = Z2Ra + 2Na<1+>, log K = 1.33)
 
1 data sets were retrieved