RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:


Mineral: Hematite
Reference: DLF06
SCM Type: CC - Constant Capacitance   (C1: 1.5 F/m2)
Ionic Strength:
Site Type: »Fe-OH
PZC:
pK1: 6.8   pK12.31 nm−2 (normalized): 6.48
pK2: 7.8   pK22.31 nm−2 (normalized): 8.12
Site Density in nm-2: 1.1000
Original Site Density: 1.1 sites / nm² surface
Solid/Liquid Ratio in g/L: 16.0
pH Range:
Temperature in K: 298.15
Method for Site Density: Surface Charge
Method for Protolysis:Potentiometric Titration
Fit Method:FITEQL
Comment: SSA from [DLFJR03]; SSD obtained by saturation curves; no reaction equation is given for the acid-base constants, the use of »Fe-OH2<1+> = »Fe-OH + H<1+> for pK1 and »Fe-OH = Fe-O<1-> + H<1+> for pK2 is supposed
 
1 data sets were retrieved