Selenium speciation with on-column preconcentration high-performance liquid chromatography - Atomic fluorescence spectrometry using ultrasonic nebulization technique

Zoltán Mester, P. Fodor

Research output: Article

27 Citations (Scopus)

Abstract

A system has been developed to determine two inorganic selenium species Se(IV) and Se(VI). In this novel technique liquid chromatography (LC) is coupled to an atomic fluorescence spectrometer (AFS) using an ultrasonic nebulizer (USN) as interface. The effect of hydrogen and argon gas flow rates, nebulization temperature, loop volume, pump rate and phosphate buffer conditions were investigated. A simple on-column preconcentration method was worked out. The detection limit for Se(IV) and Se(VI) using this preconcentration method are 8.6 and 30ngcm-3, respectively. Copyright (C) 1999 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)89-97
Number of pages9
JournalAnalytica Chimica Acta
Volume386
Issue number1-2
DOIs
Publication statusPublished - ápr. 9 1999

Fingerprint

Argon
Fluorescence Spectrometry
Liquid chromatography
High performance liquid chromatography
Selenium
selenium
Ultrasonics
Spectrometry
Flow of gases
spectrometry
Spectrometers
liquid chromatography
Hydrogen
Buffers
fluorescence
Fluorescence
Phosphates
High Pressure Liquid Chromatography
Flow rate
Pumps

ASJC Scopus subject areas

  • Biochemistry
  • Analytical Chemistry
  • Spectroscopy
  • Environmental Chemistry

Cite this

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AU - Fodor, P.

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KW - Atomic fluorescence spectrometry

KW - Liquid chromatography

KW - Preconcentration

KW - Selenium speciation

KW - Ultrasonic nebulization

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