99577
Silica gel on TLC-PET foils
with fluorescent indicator 254 nm, silica gel 60 matrix
Synonym(s):
Poly TLC Plates: Silica w/o Fluorescence
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About This Item
UNSPSC Code:
41115711
NACRES:
NC.07
material
PET support
silica gel 60 matrix
Quality Level
quality
with fluorescent indicator 254 nm
feature
binder Organic Polymer
fluorescent indicator
packaging
pkg of 25 sheets
manufacturer/tradename
Sigma-Aldrich
technique(s)
thin layer chromatography (TLC): suitable
L × W
20 cm × 20 cm
layer thickness
200 μm
particle size
8.0-12.0 μm
pore size
60 Å medium pore diameter
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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
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
Application
Silica gel on TLC-PET foils was used to perform thin layer chromatography.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Abdelaal, Magdy Y., Tariq R. Sobahi, and Mohamed SI Makki.
International Journal of Polymeric Materials, 57, 73-80 (2008)
A Minarini et al.
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A simple method for production of pure silica from rice hull ash
Kalapathy, U., A. Proctor, and J. Shultz.
Bioresource Technology, 73, 257-262 (2000)
Silica gel supported zirconocene dichloride/methylalumoxane catalysts for ethylene polymerization: Effects of heterogenation on activity, polymer microstructure and product morphology.
Janiak, Christoph, and Bernhard Rieger.
Angew. Makromol. Chem., 215, 47-57 (1994)
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