RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Montmorillonite
Reference: SUSAK16
SCM Type: NE - Non-electrostatic
Ligand: Eu<3+> - europium(III)
Site Type: »X-OH
Equation: »X-OH + Eu<3+> + OH<1->  ⇔  »X-O-Eu(OH)<1+> + H<1+>
LogK: 6.31 ± 1.45         LogK°I=0 (Conversion to I = 0):   6.31         LogK2.31 nm−2 (SSD-normalized):   8.99
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L
Temperature: 298.0 K
Solid/Liquid Ratio: 1.0 g/L
Ligand Concentration Range: 7.7E-7; 6.4E-7; 1E-6 mol/L
Fit Method: FITEQL
Comment: original equation in the article: »XO<1-> + Eu(OH)<2+> = »XO(Eu(OH))<1+> with logK = 8.25 ± 1.45 (Eu<3+> + OH<1-> = Eu(OH)<2+>, logβ = 6.36 [HBCPT02](Nagra/PSI)); SSD and pK from [TOS14]
 
1 data sets were retrieved