Volume 27, Number 4, May 1999Air pollution
|Page(s)||373 - 380|
Separation of some hydroxycarboxylic acids by capillary isotachophoresis in the presence of neutral cyclodextrinsJ. Sádecká1, A. Hercegová1, J. Polonskyu1 and Z. Chilmonczyk2
1 Department of Analytical Chemistry, Faculty of Chemical Technology, Radlinského 9, 812 37 Bratislava, Slovak Republic
2 Pharmaceutical Research Institute, ul. Rydygiera 8, 01-793 Warsaw, Poland
The aim of this work was to study the various electrolyte systems in which hydroxycarboxylic acids can be separated by capillary isotachophoresis. Using ß-cyclodextrin as additive to the leading electrolyte, the complete separation of hydroxycarboxylic acids was achieved. The results confirmed the significant influence of the cyclodextrin concentration and pH on the resolution of hydroxycarboxylic acids.
Key words: Lichens / atranorin / atraric acid / oak wood / ion trap mass spectrometry / quantification.
© EDP Sciences, Wiley-VCH 1999
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