✦ LIBER ✦

Use of cyclodextrins in isotachophoresis : II. α, β and γ-cyclodextrins as leading electrolyte additives for the separation of ortho-, meta- and para-substituted halogenobenzoic acids

✍ Scribed by Jiří Snopek; Ivan Jelínek; Eva Smolková-Keulemansová

Publisher: Elsevier Science
Year: 1987
Tongue: English
Weight: 357 KB
Volume: 411
Category: Article
ISSN: 1873-3778
DOI: 10.1016/s0021-9673(00)93966-9

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✦ Synopsis

The influence of z-, fi-and y-cyclodextrins on the isotachophoretic separation of ortho-, meta-and para-substituted halogenobenzoic acids was studied. Cyclodextrins were added to a conventional leading electrolyte. Unambigous relationships between the size and position of the substituent, the cavity diameter and the stability of the cyclodextrin complex formed were obtained. The complex formation with the cyclodextrins leads to an improvement in the separation of isomers.

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