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Evaluation of Line and Continuum Sources for Atomic Fluorescence Spectrometry Using a Low-Powered Argon Microwave-Induced Plasma

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Abstract:

An atomic fluorescence spectrometry system employing a low-powered, highly efficient MIP as the atom cell (MIP-AFS) has been developed and is evaluated with the use of direct aqueous nebulization. The MIP-AFS system employs hollow cathode lamp and Xe-arc lamp excitation sources. Detection limits of 14 elements were studied and compared to results for ICP-AFS. Linear working ranges of at least 5 orders of concentration magnitude were found. Interelement effects (i.e., vaporization, ionization, and scatter interferences) were also investigated.

Keywords: Atomic fluorescence spectrometry; Microwave-induced plasma

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702884430083

Affiliations: Department of Chemistry, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061

Publication date: September 1, 1988

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