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Elsevier, Spectrochimica Acta Part B: Atomic Spectroscopy, 10(63), p. 1047-1053

DOI: 10.1016/j.sab.2008.08.009

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Space-resolved analysis of trace elements in fresh vegetables using ultraviolet nanosecond laser-induced breakdown spectroscopy

Journal article published in 2008 by Vincent Juvé ORCID, Richard Portelli, Myriam Boueri, Matthieu Baudelet, Jin Yu
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Laser-induced breakdown spectroscopy (LIBS) has been applied to analyze trace elements contained in fresh vegetables. A quadrupled Nd:YAG laser is used in the experiments for ablation. Analyzed samples come from local markets and represent frequently consumed vegetables. For a typical root vegetable, such as potato, spectral analysis of the plasma emission reveals more than 400 lines emitted by 27 elements and 2 molecules, C 2 and CN. Among these species, one can find trace as well as ultra-trace elements. A space-resolved analysis of several trace elements with strong emissions is then applied to typical root, stem and fruit vegetables. The results from this study demonstrate the potential of an interesting tool for botanical and agricultural studies as well for food quality/safety and environment pollution assessment and control.