RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Montmorillonite
Reference:	KDSE04
SCM Type:	CC - Constant Capacitance (C₁: 1.0 F/m²)
Ionic Strength:	0.1 mol/L of NaClO4
Site Type:	»Al-OH
PZC:
pK1:	7.9	pK1°_I=0 (Conversion to I = 0):	7.79	pK1_{2.31 nm⁻²} (normalized):	7.03
pK2:	9.4	pK2°_I=0 (Conversion to I = 0):	9.29	pK2_{2.31 nm⁻²} (normalized):	10.27
Site Density in nm^-2:	0.3097
Original Site Density:	0.000018 mol / g solid
Solid/Liquid Ratio in g/L:
pH Range:
Temperature in K:
Method for Site Density:
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	pK values from [HMSGB02] for bentonite(!), but there no SSA and pK2(»Al-OH)=9.22, pK2(»SiOH)=7.6; CEC=63 meq/100 g; CCM and ion exchange; C is the empirical value commonly used for oxide minerals

1 data sets were retrieved