RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: amorphous Silica
Reference: S05
SCM Type: TL - Triple Layer
Ligand: CN<1-> - cyanide
Site Type: »Si-OH
Equation: »SiOH + CN<1-> + H<1+>  ⇔  »SiOH2-CN
LogK: 0.2
Experiment: Literature
Ionic Strength: 1.0 mol/L
Temperature: 298.15 K
Fit Method: Unknown
Comment: calculation from literature values with standard SSA and SSD at ionic strength of 1M, log K for Aerosil in brackets for Cabosil content »Si-OH2<1+> + CN<1-> = »Si-OH2-CN logK = 1.6(1.4) »Si-OH + H<1+> = »Si-OH2<1+> -pK1 = logK = -1.4 sum »Si-OH + CN<1->+ H<1+> = »Si-OH2-CN logK = 1.6(1.4)-1.4 = 0.2(0.0)
 
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