Determination of iron and copper ions in cognacs by capillary electrophoresis

A method is developed for the determination of iron(III) and copper(II) in cognacs by capillary electrophoresis ( CE ) with diode array detection with limits of detection 0.06 and 0.6 mg/L, respectively. Foreign substances present in cognac do not interfere with the determination. The accuracy of th...

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Bibliographic Details
Published in:Journal of analytical chemistry (New York, N.Y.) N.Y.), 2015-02, Vol.70 (2), p.198-202
Main Authors: Popova, O. V., Sursyakova, V. V., Burmakina, G. V., Rubaylo, A. I.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Chemical properties
Chemistry
Chemistry and Materials Science
Composition
Copper ions
Electrophoresis
Identification and classification
Iron
Methods
Wine
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Summary:A method is developed for the determination of iron(III) and copper(II) in cognacs by capillary electrophoresis ( CE ) with diode array detection with limits of detection 0.06 and 0.6 mg/L, respectively. Foreign substances present in cognac do not interfere with the determination. The accuracy of the results of analysis was confirmed by the added-found method. The method was applied to the analysis of seven cognac samples. The data obtained by CE are in a good agreement with the results of inductively coupled plasma mass spectrometry.
ISSN:1061-9348
1608-3199
DOI:10.1134/S1061934814120120