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Highly sensitive analysis of chlorophenols and sulfonamides in waters by electrophoretic focusion on inverse electromigration dispersion gradient with ESI-MS detection

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    0467997 - ÚIACH 2017 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
    Malá, Zdeňka - Gebauer, Petr - Boček, Petr
    Highly sensitive analysis of chlorophenols and sulfonamides in waters by electrophoretic focusion on inverse electromigration dispersion gradient with ESI-MS detection.
    CECE 2016. 13th International Interdisciplinary Meeting on Bioanalysis. Brno: Ústav analytické chemie AV ČR, v. v. i., 2016 - (Foret, F.; Křenková, J.; Drobníková, I.; Klepárník, K.), s. 184-186. ISBN 978-80-904959-4-4.
    [CECE 2016. International Interdisciplinary Meeting on Bioanalysis /13./. Brno (CZ), 17.10.2016-19.10.2016]
    Grant CEP: GA ČR(CZ) GA13-05762S
    Institucionální podpora: RVO:68081715
    Klíčová slova: capillary electrophoresis * electrospray-ionization mass spectrometric detection * chlorophenols * sulfonamides
    Kód oboru RIV: CB - Analytická chemie, separace

    This work presents a new methodology for high-sensitivity analyses by capillary
    electrophoresis (CE) with electrospray-ionization mass spectrometric (ESI-MS)
    detection, based on electrophoretic focusing on an inverse electromigration dispersion
    (EMD) gradient. The technique is based on a robust electrolyte system providing a
    gradient of required properties, suitable for routine analyses of trace amounts of weak
    acids with pKa values between approx. 6.5 and 9. Examples analyses of several
    chlorophenols and sulfonamides are presented, with LODs around 3x10-9 M for spiked
    drinking water without any sample pretreatment.
    Trvalý link: http://hdl.handle.net/11104/0265922
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