Matter
Name
Ca-exchanged saponite SAP size-fraction <2 µm
Family
mineral
Parent matter
Synthetic high-charge Na-saponite
Origins
laboratory
Provider
Clay Minerals Laboratory, Institute of Geological Sciences, Polish Academy of Sciences
Local reference code
CaSAP_LSD
Preparation
extracted components
Method
Monomineralic sample purified by size separation that had undergone cationic exchange followed by centrifugation
Phase type
solid
Component type (group)
mineral (silicate mineral)
Texture
aggregated grains
Type of porosity
particulate
Texture
clay-like
Grain sizes
Grains Size min Size max Size median Size width Size mass fraction Grain shape
#1 2.0 ${\mu}m$ 1.0 $\pm$ 0.05 platy
Size method
Size-fraction was separated in a centrifuge (Stoke's Law) but not verified
Number
1
Mode of mixing
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Ca-exchanged saponite SAP size-fraction <2 µm 1.0 $\pm$ 0.01
Title
Purification, size separation, and cation exchange

Precursors

Matters
Materials

Produced matter

Matter
Ca-exchanged saponite SAP size-fraction <2 µm (this matter)
Processing steps
Step Date Type Process Changes
#1 2013-03-01 mechanical Dispersion with ultrasonic probe Disaggregation of aggegates in order to create suspension of clay particles
#2 2013-03-01 mechanical Centrifugagion in deionized water Separation of <2 micron fraction according to Stoke's Law
#3 2013-03-06 chemical Reaction with 100 ml of 0.5 M CaCl2 repeated five times Exchange of exchangeable cations for Ca
#4 2013-03-06 fluid physical Dialysis in deionized water. Water was changed until conductivity of water dropped below 1 microsiemens Removal of excess adsorbed cations and anions
#5 2013-03-10 thermal Drying in an oven at 60C Drying of a sample
#6 2013-03-12 mechanical Crushing in an agate mortar Disintegration of a sample in order to create powder