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System zones in capillary zone electrophoresis: Moving boundaries caused by freely migrating hydroxide ions
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SYSNO ASEP 0021944 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title System zones in capillary zone electrophoresis: Moving boundaries caused by freely migrating hydroxide ions Title Systémové zóny v kapilární zónové elektroforéze. Pohyblivá rozhraní způsobená volně migrujícími hydroxidovými ionty Author(s) Beckers, J. L. (NL)
Urbánek, Marek (UIACH-O)
Boček, Petr (UIACH-O) RIDSource Title Electrophoresis. - : Wiley - ISSN 0173-0835
Roč. 26, č. 10 (2005), s. 1869-1873Number of pages 5 s. Language eng - English Country DE - Germany Keywords background electrolyte ; capillary electrophoresis ; system zones Subject RIV CB - Analytical Chemistry, Separation R&D Projects IAA4031103 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z40310501 - UIACH-O (2005-2011) Annotation We present theoretical and experimental data indicating that anionic system zones (SZs), due to free migrating hydroxide anions, can be expected in background electrolytes (BGEs) with a low buffer capacity. In the system containing completely unbuffered BGEs the hydroxide ions migrate freely through the system and cause stepwise disturbances in the baseline of the detector trace. This type of SZs do not contribute to the electromigation dispersion of the zones of the analytes. Workplace Institute of Analytical Chemistry Contact Iveta Drobníková, drobnikova@iach.cz, Tel.: 532 290 234 Year of Publishing 2006
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