RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Pyrite
Reference: NMDCS06
SCM Type: DDL - Diffuse Double Layer
Ligand: Eu<3+> - europium(III)
Site Type: »Fe(II)-SH
Equation: »Fe(II)-SH + Eu<3+> + 2 H2O  ⇔  »Fe(II)-S-Eu(OH)2 + 3 H<1+>
LogK: 15.84        LogK°I=0 (Conversion to I = 0):   15.84         LogK2.31 nm−2 (SSD-normalized):   22.35
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaCl
Solid/Liquid Ratio: 8.0 g/L
pH Range: 2-10
Ligand Concentration Range: 5E-5 mol/L
Fit Method: FITEQL
Comment: oxidized pyrite; experiments in 0.05M NaCl; data were modeled with FITEQL and JCHESS; inert atmosphere <1ppm CO2; not clear whether data given as pK or logK; value was kept constant in modeling
 
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