RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:


Mineral: Smectite
Reference: KB09
SCM Type: DDL - Diffuse Double Layer
Ionic Strength: NaNO3
Site Type: »Al-OH
PZC:
pK1: 8.72   pK12.31 nm−2 (normalized): 8.37
pK2: 8.93   pK22.31 nm−2 (normalized): 9.28
Site Density in nm-2: 1.0430
Original Site Density: 1.043 sites / nm² surface
Solid/Liquid Ratio in g/L: 2.0
pH Range: 2-10
Temperature in K:
Method for Site Density: Potentiometric Titration
Method for Protolysis:Potentiometric Titration
Fit Method:FITEQL
Comment: effective edge site surface area assumed to be 15 % of total N2-BET surface area; purified Na-Smectite; total SSD = 2.3 sites/nm²; Al/Si ratio = 0.83
 
1 data sets were retrieved