Letter | Published:

Preservation of Thin-layer Chromatograms

Naturevolume 199page1288 (1963) | Download Citation



THE preservation of chromatograms is one aspect of thin-layer chromatography which cannot be translated directly from the paper chromatographic technique. It is obviously impracticable to store the glass plates themselves and the answer to the problem lies in removing the completed thin-layer chromatogram from its glass support. Techniques have been described which rely on spraying the thin layer with suitable polymer dispersion, which hardens on drying to coat the layer with a clear film. The coating, plus the layer, is then removed mechanically from the glass plate. The method which is described here is an alternative means of preserving thin layer chromatograms which obviates the need for any spraying of the completed chromatogram and which is, in consequence, particularly useful for thin layers of a brittle nature.

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  1. Whatman Research Laboratories, W. and R. Balston, Ltd., Springfield Mill, Maidstone, Kent

    • C. S. KNIGHT


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