RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Goethite
Reference: AWJ06a
SCM Type: ECC - Extended Constant Capacitance
Ligand: mell<6-> - mellitate (Benzene-1,2,3,4,5,6-hexacarboxylic acid)
Site Type: »Fe-OH
Equation: 2 »Fe-OH + mell<6-> + 2 H<1+>  ⇔  (»Fe-OH2)2-mell<4->
LogK: 30.5 ± 0.2         LogK°I=0 (Conversion to I = 0):   31.75         LogK2.31 nm−2 (SSD-normalized):   31.93
Experiment: Potentiometric Titration
Ionic Strength: 0.005 mol/L KNO3
Temperature: 328.15 K
Solid/Liquid Ratio: 1.9 g/L
pH Range: 3-10
Ligand Concentration Range: 1E-4 mol/L
Fit Method: FITEQL
Comment: FITEQL and GRFIT; also sorption isotherms (pH 4.5 and 8.5; c= 0-150 µmol/L); also datasets for 10, 25, 40 and 55°C are reported; logK+-3sigma
 
1 data sets were retrieved