RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: WT00
SCM Type: CDM - (CD-)MUSIC
Ligand: CrO4<2-> - chromate
Site Type: »Fe-singly
Equation: »Fe-singly-OH<0.5-> + CrO4<2-> + H<1+>  ⇔  »Fe-singly-O-CrO3<1.5-> + H2O
LogK: 8.0         LogK2.31 nm−2 (SSD-normalized):   8.07
Experiment: Sorption Isotherms
Ionic Strength: NaNO3
pH Range: 4-7
Fit Method: ECOSAT
Comment: 0,001, 0.01 and 0.1 M NaNO3; optimized values of charge distribution [HV96]; equation in the paper not correct with: »Fe-OH 1/2- + H+ + CrO42- = »Fe-O 0.2+CrO3 1.2- + H2O
 
1 data sets were retrieved