RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: BNPS00
SCM Type: CDM - (CD-)MUSIC
Ligand: Na<1+> - sodium
Site Type: »Fe-singly
Equation: »Fe-singly-OH<-0.5> + Na<1+>  ⇔  »Fe-singly-OH-Na<+0.5>
LogK: -0.6        LogK°I=0 (Conversion to I = 0):   -0.49         LogK2.31 nm−2 (SSD-normalized):   -0.53
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 298.15 K
pH Range: 3-11
Ligand Concentration Range: 0.1 mol/L
Fit Method: FITEQL
Comment: equation =FeOH<-0.5> + Na<1+> = =FeOH<-0.5>-Na<1+>; value also in [BLBBS01] for 0M and other SSA
 
1 data sets were retrieved