Abstract
Simultaneous CE enantioseparation of tartaric and malic acids using bare fused silica capillary was demonstrated. The combination of dual central metal ion–d-quinic acid system with hexadecyltrimethylammonium based dynamic coating was examined. The background electrolyte contained 100 mM d-quinic acid, 10 mM Cu(II), 0.5 mM Al(III) and 0.5 mM hexadecyltrimethylammonium hydroxide (pH 5.0). The running conditions were −25 kV at 20 °C with direct photometric detection at 250 nm. The analysis time was less than 8 min. Chiral separation of dl-tartaric and dl-malic acids in wines was demonstrated.
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References
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Mikhail Kamencev declares that he has no conflict of interest. Natalia Komarova declares that she has no conflict of interest. Oksana Morozova declares that she has no conflict of interest.
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Kamencev, M., Komarova, N. & Morozova, O. Enantioseparation of Tartaric and Malic Acids in Wines by Ligand Exchange Capillary Electrophoresis Using Uncoated Fused Silica Capillary. Chromatographia 79, 927–931 (2016). https://doi.org/10.1007/s10337-016-3099-8
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DOI: https://doi.org/10.1007/s10337-016-3099-8