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: Sr<2+> - strontium
Site Type: »Fe(II)-OH
Equation: »Fe(II)-OH + Sr<2+> + H2O  ⇔  »Fe(II)-O-Sr(OH) + 2 H<1+>
LogK: 14.38 ± 0.05         LogK°I=0 (Conversion to I = 0):   14.38         LogK2.31 nm−2 (SSD-normalized):   21.12
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaCl
Solid/Liquid Ratio: 8.0 g/L
pH Range: 3-12
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
 
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