RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Hematite
Reference: EABFY13
SCM Type: DDL - Diffuse Double Layer
Ligand: Eu<3+> - europium(III)
Site Type: »Fe-OH
Equation: 2 »Fe-OH + Eu<3+>  ⇔  (»Fe-O)2-Eu<1+> + 2 H<1+>
LogK: -2.29        LogK°I=0 (Conversion to I = 0):   -1.98         LogK2.31 nm−2 (SSD-normalized):   -0.42
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L NaCl
Temperature: 323.15 K
Solid/Liquid Ratio: 0.5 g/L
pH Range: 3 - 8
Ligand Concentration Range: 3.7E-8 mol/L
Fit Method: FITEQL
Comment: Calculated using K3 = K[≡FeOH]tot = K(N†ACs). Constants are referenced to the mole fraction standard state.
 
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