RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Kaolinite
Reference:	SS98a
SCM Type:	NE - Non-electrostatic
Ionic Strength:	0.01 mol/L of NaClO4
Site Type:	»X-OH
PZC:	5.36
pK1:	3.5	pK1°_I=0 (Conversion to I = 0):	3.46	pK1_{2.31 nm⁻²} (normalized):	3.14
pK2:	7.2	pK2°_I=0 (Conversion to I = 0):	7.16	pK2_{2.31 nm⁻²} (normalized):	7.56
Site Density in nm^-2:	1.0000
Original Site Density:	1.0 sites / nm² surface
Solid/Liquid Ratio in g/L:
pH Range:
Temperature in K:	296.15
Method for Site Density:	Mean of Different Sources
Method for Protolysis:	Batch Sorption Experiments
Fit Method:	FITEQL
Comment:	amphoteric surface site >>XOH may be either >>Al-OH or >>Si-OH; reported SSD vary between 0.6 [S84] and 6 [CZSR92] sites/nm^2: assumption of SSD=1 site/nm^2; pK1=3.5+0.2-0.3; temperature 23+-1°C; PZNPC=5.36+-0.02 [CZSR92]

1 data sets were retrieved