RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Hematite
Reference: LH99
SCM Type: TL - Triple Layer
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Fe(s)-OH
Equation: 2 »Fe(s)-OH + UO2<2+>  ⇔  (»Fe(s)-O)2-UO2 + 2 H<1+>
LogK: -0.087        LogK°I=0 (Conversion to I = 0):   -0.09         LogK2.31 nm−2 (SSD-normalized):   -2.02
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaClO4
Temperature: 298.15 K
Solid/Liquid Ratio: 9.0 g/L
pH Range: 3-10
Ligand Concentration Range: 1E-6 mol/L
Fit Method: FITEQL
Comment: experiments in 0.1 M solution, log K determined for I =0; ; 25+-0.1°C; U(VI) sorption onto hematite follows the two-site model of [WDPWX94]
 
1 data sets were retrieved