RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: RZEAA88
SCM Type: TL - Triple Layer
Ligand: CrO4<2-> - chromate
Site Type: »Fe-OH
Equation: »Fe-OH + CrO4<2-> + 2 H<1+>  ⇔  »Fe-OH2-HCrO4
LogK: 18.1        LogK°I=0 (Conversion to I = 0):   18.74         LogK2.31 nm−2 (SSD-normalized):   19.04
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Fit Method: FITEQL
Comment: Al substituted goethite (21.9%); citation in [AGZS89]; from evaluation of data of [H84] based on TLM using FITEQL; adsorption reaction from which hydrolysis reactions of the adsorbing species and surface ionization reactions have been substracted: logK= 5.3
 
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