Difference between revisions of "Thin-layer chromatography plate"
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| − | A '''thin-layer chromatography plate''' or simply '''TLC plate''', is a small sheet of glass, plastic, or aluminium, which is coated with a thin layer of adsorbent material, usually [[silica gel]], [[aluminium oxide]] (alumina) or [[cellulose]], used in [[thin-layer chromatography]]. | + | A '''thin-layer chromatography plate''' or simply called '''TLC plate''', is a small sheet of glass, plastic, or aluminium, which is coated with a thin layer of adsorbent material, usually [[silica gel]], [[aluminium oxide]] (alumina) or [[cellulose]], used in [[thin-layer chromatography]]. |
==General== | ==General== | ||
Revision as of 21:00, 6 August 2018
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A thin-layer chromatography plate or simply called TLC plate, is a small sheet of glass, plastic, or aluminium, which is coated with a thin layer of adsorbent material, usually silica gel, aluminium oxide (alumina) or cellulose, used in thin-layer chromatography.
Contents
General
TLC plates consist of a rectangular thin sheet of glass, plastic, or some other solid material, which has a very thin coating of an adsorbent material, insoluble in all solvents.
Availability
TLC plates can be bought from lab suppliers and online.
DIY TLC plate
A simple TLC plate can be made by making a slurry or very finely grounded silica gel and carefully pouring it on a microscope slide, then heat it in an oven to activate it.
There are other recipes for different types of plates, some using alumina, others a slurry of silica gel and gypsum.
