RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: TS96
SCM Type: CC - Constant Capacitance
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Fe-OH
Equation: »Fe-OH + UO2<2+> + 2 CO3<2-> + H<1+>  ⇔  »Fe-OH2-UO2(CO3)2<1->
LogK: 30.16 ± 0.22         LogK°I=0 (Conversion to I = 0):   30.16         LogK2.31 nm−2 (SSD-normalized):   31.10
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaNO3
pH Range: 5-8
Ligand Concentration Range: 1E-6.7 - 1E-5.4 mol/L
Fit Method: FITEQL
Comment: based on experimental data of [T84] with [U(VI)]=1E-6.7 - 1E-5.4 and pCO2=1E-3.48 atm; experiments at IS = 0.1 M NaNO3, corrected to IS = 0; sorption reaction not given, only surface species; significance level 95% (2sigma)
 
1 data sets were retrieved