<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The aim of this work was to develop an on-line coupling of electrochemical preconcentration to atomic absorption spectrometry method and to apply the developed system in the determination of ultra-trace amounts of As in water samples. A flow-through electrochemical analyzer EcaFlow (Istran Ltd, Bratislava, Slovakia) was used as the preconcentration unit with a two-electrode cell. The working electrode was a reticular vitreous carbon electrode coated with gold. An atomic absorption spectrometer SP9 with a graphite furnace atomizer (Pye Unicam) was used to determine the preconcentrated As species. Preconcentration parameters were optimized for the electrochemical process.</p></abstract>

The aim of this work was to develop an on-line coupling of electrochemical preconcentration to atomic absorption spectrometry method and to apply the developed system in the determination of ultra-trace amounts of As in water samples. A flow-through electrochemical analyzer EcaFlow (Istran Ltd, Bratislava, Slovakia) was used as the preconcentration unit with a two-electrode cell. The working electrode was a reticular vitreous carbon electrode coated with gold. An atomic absorption spectrometer SP9 with a graphite furnace atomizer (Pye Unicam) was used to determine the preconcentrated As species. Preconcentration parameters were optimized for the electrochemical process.

Atomic absorption spectrometry with electrothermal atomization to determine trace amounts of arsenic

Acta Chimica Slovaca

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The aim of this work was to develop an on-line coupling of electrochemical preconcentration to atomic absorption spectrometry method and to apply the developed...

Atomic absorption spectrometry with electrothermal atomization to determine trace amounts of arsenic

Pubblicato online: 29 dic 2017

Pagine: 175 - 179

DOI: https://doi.org/10.1515/acs-2017-0029

Parole chiave
arsenic, electrochemical preconcentration, GFAAS

© Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Atomic absorption spectrometry with electrothermal atomization to determine trace amounts of arsenic

Pubblicato online: 29 dic 2017

Pagine: 175 - 179

DOI: https://doi.org/10.1515/acs-2017-0029

Parole chiavearsenic, electrochemical preconcentration, GFAAS

© Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Parole chiave
arsenic, electrochemical preconcentration, GFAAS