RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Magnetite
Reference: FS06
SCM Type: NE - Non-electrostatic
Ligand: Sr<2+> - strontium
Site Type: »Fe-OH
Equation: »Fe-OH + Sr<2+> + NO3<1->  ⇔  »Fe-O-SrNO3 + H<1+>
LogK: -3.42 ± 0.89         LogK°I=0 (Conversion to I = 0):   -3.42
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L granitic water
Temperature: 298.15 K
Solid/Liquid Ratio: 40.0 g/L
pH Range: 3.5-9
Ligand Concentration Range: 1E-6 mol/L
Fit Method: STAMB-2003
Comment: m/V also 20g/L
original equation in the study: »FeO<1-> + SrNO3<1+> = »FeOSrNO3 with log K = 5.68 ± 0.89 (»FeO<1-> + H<1+> = »FeOH with log K = 9.70 ± 0.02; Sr<2+> + NO3<1-> = SrNO3<1+> with log K = 0.60 (Falck, W. E., Read, D., & Thomas, J. B. (1996). Chemval 2: thermodynamic database. EUR(Luxembourg).(from ThermoChimie)))
combination of surface complexation and ion exchange model
 
1 data sets were retrieved