RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Bentonite
Reference:	MAG06
SCM Type:	NE - Non-electrostatic
Ionic Strength:	0.069 mol/L of ground water
Site Type:	»X(s)-OH
PZC:
pK1:	4.5	pK1°_I=0 (Conversion to I = 0):	4.40	pK1_{2.31 nm⁻²} (normalized):	3.29
pK2:	7.9	pK2°_I=0 (Conversion to I = 0):	7.80	pK2_{2.31 nm⁻²} (normalized):	9.11
Site Density in nm^-2:	0.1417
Original Site Density:	0.000002 mol / g solid
Solid/Liquid Ratio in g/L:	1000.0
pH Range:	4-9
Temperature in K:	296.0
Method for Site Density:	Tritium Exchange
Method for Protolysis:	Potentiometric Titration
Fit Method:	PHREEQC
Comment:	two types of ground water with 0.069 and 0.047mo/L; sorption experiments were carried out in compacted samples pH 4-9 or pH4.8 and various concentration

1 data sets were retrieved