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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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SYSNO ASEP 0467997 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Highly sensitive analysis of chlorophenols and sulfonamides in waters by electrophoretic focusion on inverse electromigration dispersion gradient with ESI-MS detection Author(s) Malá, Zdeňka (UIACH-O) RID
Gebauer, Petr (UIACH-O) RID, ORCID
Boček, Petr (UIACH-O) RIDNumber of authors 3 Source Title CECE 2016. 13th International Interdisciplinary Meeting on Bioanalysis. - Brno : Ústav analytické chemie AV ČR, v. v. i., 2016 / Foret František ; Křenková Jana ; Drobníková Iveta ; Klepárník Karel - ISBN 978-80-904959-4-4 Pages s. 184-186 Number of pages 3 s. Publication form Online - E Action CECE 2016. International Interdisciplinary Meeting on Bioanalysis /13./ Event date 17.10.2016 - 19.10.2016 VEvent location Brno Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords capillary electrophoresis ; electrospray-ionization mass spectrometric detection ; chlorophenols ; sulfonamides Subject RIV CB - Analytical Chemistry, Separation R&D Projects GA13-05762S GA ČR - Czech Science Foundation (CSF) Institutional support UIACH-O - RVO:68081715 Annotation 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.Workplace Institute of Analytical Chemistry Contact Iveta Drobníková, drobnikova@iach.cz, Tel.: 532 290 234 Year of Publishing 2017
Number of the records: 1