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60767

Supelco

Silica gel on TLC plates

L × W 10 cm × 20 cm , w/ concentration zone, with concentration zone

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About This Item

EC Number:
231-545-4
UNSPSC Code:
41115711

material

glass support
silica gel matrix

quality

with concentration zone

feature

binder Proprietary
fluorescent indicator

manufacturer/tradename

Sigma-Aldrich

technique(s)

thin layer chromatography (TLC): suitable

L × W

10 cm × 20 cm , w/ concentration zone

layer thickness

250 μm

plate L × W

10 cm × 20 cm

particle size

17 μm

pore size

60 Å medium pore diameter

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General description

Silica gel is a rigid 3D network of colloidal silica.[1] 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.[2] 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[1]

Application

Silica gel on TLC Plates was used in thin layer chromatography.[3]

Other Notes

this product will be discontinued, please find the alternative product here :
111846

Storage Class

11 - Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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Mingfu Wang et al.
Journal of agricultural and food chemistry, 51(3), 601-608 (2003-01-23)
Artichoke leaf is an herbal medicine known for a long time. A systematic antioxidant activity-directed fractionation procedure was used to purify antioxidative components from the aqueous methanol extractions of artichoke heads and leaves in this study. Seven active polyphenolic compounds
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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