RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Bentonite
Reference: MAG06
SCM Type: Iex - Ion Exchange
Ligand: Ca<2+> - calcium
Site Type: »X-Na
Equation: 2 »X-Na + Ca<2+>  ⇔  (»X)2-Ca + 2Na<1+>
LogK: 0.4        LogK°I=0 (Conversion to I = 0):   0.78         LogK2.31 nm−2 (SSD-normalized):   7.48
Experiment: Column Experiments
Ionic Strength: 0.069 mol/L ground water
Temperature: 296.0 K
Solid/Liquid Ratio: 1000.0 g/L
pH Range: 4-9
Ligand Concentration Range: 0.047 and 0.069 mol/L
Fit Method: PHREEQC
Comment: sorption experiments were carried out with compacted and dispersed samples
 
1 data sets were retrieved