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Journal of Liquid Chromatography & Related Technologies Volume 27, 2004 - Issue 3
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Original Articles

Thin‐Layer Reversed‐Phase Chromatography of Some Heteroazophenols in Ion‐Association Systems

S. Zaręba Department of Food and Nutrition, Medical University, Faculty of Pharmacy, Staszica 4, 20‐81, Lublin, PolandCorrespondence[email protected]
&
T. Wawrzynowicz Department of Inorganic and Analytical Chemistry, Medical University, Faculty of Pharmacy, Lublin, Poland
Pages 425-435 | Received 15 Aug 2003, Published online: 23 Aug 2007
 
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Abstract

The use of dimethyllaurylbenzylammonium bromide (Sterinol) as a new ion‐association factor for chromatography of a number of azo‐derivatives of 2‐amino‐1,3,4‐oxadiazole and 1,2,4‐triazole has been described. The influence of ion‐association reagent concentration, as well as that of methanol in mobile phase and its pH on retention of the analyzed compounds was investigated. The R M parameters were compared with the results obtained for other counter‐ions used.The influence of the structure of heteroazophenols on their chromatographic behaviour has been discussed.

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