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Titolo:
Capillary zone electrophoresis in phosphate buffer - known or unknown?
Autore:
Gebauer, P; Pantuckova, P; Bocek, P;
Indirizzi:
Acad Sci Czech Republ, Inst Analyt Chem, CZ-61142 Brno, Czech Republic Acad Sci Czech Republ Brno Czech Republic CZ-61142 Brno, Czech Republic
Titolo Testata:
JOURNAL OF CHROMATOGRAPHY A
fascicolo: 1-2, volume: 894, anno: 2000,
pagine: 89 - 93
Fonte:
ISI
Lingua:
ENG
Soggetto:
BACKGROUND ELECTROLYTES; SYSTEM PEAKS;
Keywords:
background electrolyte composition; peak shape; phosphate buffers; inorganic anions; inorganic cations; organic acids;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Physical, Chemical & Earth Sciences
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Bocek, P Acad Sci Czech Republ, Inst Analyt Chem, Veveri 97, CZ-61142 Brno, Czech Republic Acad Sci Czech Republ Veveri 97 Brno Czech Republic CZ-61142 lic
Citazione:
P. Gebauer et al., "Capillary zone electrophoresis in phosphate buffer - known or unknown?", J CHROMAT A, 894(1-2), 2000, pp. 89-93

Abstract

It has been shown recently that the analysis records in capillary electrophoresis may involve regions with extremely strong electromigration dispersion of peaks. Such a fundamental effect is due to the existence of more centers of symmetry in a given electrolyte system. This paper shows that even such a simple and frequently used electrolyte system as phosphate buffer mayexhibit more than one center of symmetry. By using the peak shape diagram approach we have revealed that neutral and alkaline phosphate buffers have two centers of symmetry and one center of extreme dispersion. Model experiments confirmed this new important discovery. (C) 2000 Elsevier Science B.V. All rights reserved.

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Documento generato il 04/07/20 alle ore 21:03:14