Influence of experimental parameters on the determination of antimony in seawater by atomic absorption spectrometry using a transversely heated graphite furnace with Zeeman-effect background correction - Université de Bretagne Occidentale Access content directly
Journal Articles Analytical and Bioanalytical Chemistry Year : 2002

Influence of experimental parameters on the determination of antimony in seawater by atomic absorption spectrometry using a transversely heated graphite furnace with Zeeman-effect background correction

Abstract

Spectroscopic and electrothermal conditions for the determination of antimony in seawater using a transversely heated graphite furnace with Zeeman-effect background correction have been optimized with the use of an a priori calculation of the detection limit. The lowest limit of detection was obtained with a 2 nm spectral curvatures bandwidth and the use of an electrodeless discharge lamp; however, these experimental conditions resulted in strong premature curvature of calibration curves. Pd(NO3)2 can be recommended as a chemical modifier because seawater interference effects are minimized and pretreatment curves up to 1500°C can be used permitting the removal of the major part of the saline matrix before atomization. Under optimized spectroscopic and electrothermal conditions the obtained limit of detection of Sb in seawater was about 0.4 μg L-1.

Dates and versions

hal-01771322 , version 1 (19-04-2018)

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Jean Yves Cabon. Influence of experimental parameters on the determination of antimony in seawater by atomic absorption spectrometry using a transversely heated graphite furnace with Zeeman-effect background correction. Analytical and Bioanalytical Chemistry, 2002, 374, pp.1282--1289. ⟨10.1007/s00216-002-1606-2⟩. ⟨hal-01771322⟩
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