The effect of controlled atmospheres in the graphite arc method

The effect of different atmospheres-air, nitrogen, argon and helium-on the analytical properties of the “graphite arc” method used to analyse solutions were investigated. It was shown that the use of an argon atmosphere enables an analyst to achieve detection limits for elements with ionization pote...

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Bibliographic Details
Published in:Spectrochimica acta. Part B: Atomic spectroscopy 1985, Vol.40 (8), p.1047-1057
Main Authors: Nedjalkova, N., Krasnobaeva, N., Vukanović, V., Pavlović, B.
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Exact sciences and technology
Spectrometric and optical methods
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Summary:The effect of different atmospheres-air, nitrogen, argon and helium-on the analytical properties of the “graphite arc” method used to analyse solutions were investigated. It was shown that the use of an argon atmosphere enables an analyst to achieve detection limits for elements with ionization potentials greater than 8.5 eV thirty to one hundred times lower than those that can be achieved in air.
ISSN:0584-8547
1873-3565
DOI:10.1016/0584-8547(85)80048-3