RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:

Mineral: Hematite
Reference: C96
SCM Type: NE - Non-electrostatic
Ionic Strength: 0.0 mol/L of NaCl
Site Type: »Fe-OH
PZC: 7.2
pK1: 5.9 pK1°I=0 (Conversion to I = 0): 5.90 pK12.31 nm−2 (normalized): 5.54
pK2: 8.5 pK2°I=0 (Conversion to I = 0): 8.50 pK22.31 nm−2 (normalized): 8.86
Site Density in nm-2: 1.0142
Original Site Density: 0.000032 mol / g solid
Solid/Liquid Ratio in g/L:
pH Range:
Temperature in K:
Method for Site Density: Potentiometric Titration
Method for Protolysis:Potentiometric Titration
Fit Method:FITEQL
Comment: Kurbatov model without electrostatic term; experiment in 0.1M NaCl: pK1=5.8, pK2=8.4; calculation for IS=0; IS=0.001: pK1 = 5.9, pK2=8.5, for IS=0.01M: pK1=5.8, pK2=8.5: pK1=5.8, pK2=8.4; citation for IS=0.01 and 0.1 resp. in [CMFGG98]; SSD fixed, cited in [CMFGG98] as 3.2E-5 eq/g, in [C96] as 1.7E-4 mol/L
 
1 data sets were retrieved