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: Ho<3+> - holmium
Site Type: »Mn(w)-OH
Equation: »Mn(w)-OH + Ho<3+> + H2O  ⇔  »Mn(w)-O-Ho(OH)<1+> + 2 H<1+>
LogK: -3.88         LogK2.31 nm−2 (SSD-normalized):   -0.24
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: 7.579E-7 mol/L
Fit Method: LFER
Comment: REE-HMO stability constants extrapolated from the LFER established by [TBM04]; logKHoOH = 6.44 (the first hydrolysis constant of REE, logKREE-OH, is taken from the NIST database [38])
 
1 data sets were retrieved