Abstract
Commercial α-, β- and γ-cyclodextrin polymers were examined for their eluent properties in adsorption chromatography on cellulose thin layers using aqueous solvents. Azo dyes were found to be eluted better by the polymers than by a solution of α-cyclodextrin. Chloroauric acid (HAuCl 4) was eluted on the liquid front by polymers but not by α-cyclodextrin. No improvement could be seen in the separation of tryptophan enantiomers compared with α-cyclodextrin. α-Cyclodextrin (monomer) yields much better separations than any of the polymers. Attempts to use the polymers as non-specific desorbing agents for coloured inks were unsuccessful.
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