RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Birnessite
Reference: PD13
SCM Type: DDL - Diffuse Double Layer
Ligand: Er<3+> - erbium
Site Type: »Mn(s)-OH
Equation: »Mn(s)-OH + Er<3+> + H2O  ⇔  »Mn(s)-O-Er(OH)<1+> + 2 H<1+>
LogK: -2.48         LogK2.31 nm−2 (SSD-normalized):   1.29
Experiment: Best Estimate
Ionic Strength: NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 0.01 g/L
pH Range: 4 - 9.5
Ligand Concentration Range: 7.473E-7 mol/L
Fit Method: LFER
Comment: REE-HMO stability constants extrapolated from the LFER established by [TBM04]; logKErOH = 6.48 (the first hydrolysis constant of REE, logKREE-OH, is taken from the NIST database [38])
 
1 data sets were retrieved