RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: DLLSM18
SCM Type: CDM - (CD-)MUSIC
Ligand: AsO4<3-> - arsenate
Site Type: »Fe-singly
Equation: »Fe-OH<0.5-> + AsO4<3-> + 2 H<1+>  ⇔  »Fe-O-AsO2OH<1.5-> + H2O
LogK: 26.87        LogK°I=0 (Conversion to I = 0):   28.05         LogK2.31 nm−2 (SSD-normalized):  
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaCl
Temperature: 298.15 K
pH Range: 3 - 12
Fit Method: ECOSAT + FIT
Comment: S/L ratio = 3.3 g/L (AsO4<3-> conc.: 0.14, 0.38, 0.97 mM);
S/L ratio = 1.1 g/L (AsO4<3-> conc.: 0.04, 0.12, 0.14 mM);
z0 = 0.30; z1 = -1.30; z2 = 0 [SHV06b]
 
1 data sets were retrieved