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89070 Sigma-Aldrich

Silica gel on TLC PET-foils

silica gel matrix



Related Categories Analytical/Chromatography, LPLC/TLC/Paper Chromatography, Poly TLC Plates: Silica matrix, TLC Plates, PET foil backing, TLC and HPTLC Plates,
material   PET support
  silica gel matrix
feature   binder Proprietary
  fluorescent indicator
packaging   pkg of 50 ea
mfr. no.   Sigma-Aldrich
application(s)   thin layer chromatography (TLC): suitable
L × W   4 cm × 8 cm
layer thickness   250 μm
particle size   8.0-12.0 μm
pore size   60 Å medium pore diameter


Other Notes

Same product — same quality — now Sigma-Aldrich brand


Silica gel on TLC-PET foils was used to perform thin layer chromatography.

General description

Polyethylene terephthalate (PET) is a thermoplastic polymer resin. It is used on TLC plates as it prevents the chemical reagents to diffuse into the polymer matrix. The chemical degradation of PET is not easy. Silica gel is a rigid 3D network of colloidal silica. It is exclusively used as a support material for the active titanium(III) centers in Ziegler-Natta catalysts. Silica gel allows a controlled fragmentation resulting in the formation of uniform polymer particles with narrow particle size distribution and high bulk density. Silica gel is classified as below:
a. Aquagel - pores are filled with water
b. Xerogel - by the process of evaporation, aqueous phase in the pores are removed
c. Aerogel - solvent is removed by supercritical extraction

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Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

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