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Determination of trace elements in Sergio mirim: an evaluation of sample preparation methods and detection techniques

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Abstract

In this work, some trace elements (As, Cd, Cr, Cu, and Pb) were determined for the first time in the crustacean Sergio mirim (Decapoda: Thalassinidea: Callianassidae) from Southern Coast (Rio Grande, RS) of Brazil. The trace element determination was carried out by graphite furnace atomic absorption spectrometry (GF AAS) and inductively coupled plasma mass spectrometry (ICP-MS). Different microwave radiation-based sample digestion methods were evaluated. The analyte concentration ranged from 1.45 to 3.70 μg g−1 for As, 0.615 to 0.942 μg g−1 for Cd, 0.884 to 7.20 μg g−1 for Cr, 122 to 275 μg g−1 for Cu, and 0.390 to 0.916 μg g−1 for Pb. The limits of quantification for As, Cd, Cr, Cu, and Pb were 0.12, 0.01, 0.16, 0.92, and 0.06 μg g−1, respectively. The accuracy was evaluated by results comparison between GF AAS and ICP-MS techniques, as well as by analysis of certified reference materials of fish muscle and oyster tissue, with agreement from 92 to 108%. The feasibility of using Sergio mirim as a promising environmental bioindicator candidate was evaluated, since that it is an abundant organism in the studied area (South cost of Brazil) as well as in other places around the world.

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Acknowledgments

This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES/Brazil) – Finance Code 001. The authors also thank to the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq/Brazil) and the Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul (FAPERGS/Brazil, process number 12/1853-8) for supporting this study.

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Correspondence to Fabio A. Duarte.

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Responsible editor: Philippe Garrigues

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Mandlate, J.S., Soares, B.M., Andrade, C.F.F. et al. Determination of trace elements in Sergio mirim: an evaluation of sample preparation methods and detection techniques. Environ Sci Pollut Res 27, 21914–21923 (2020). https://doi.org/10.1007/s11356-020-08766-5

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  • DOI: https://doi.org/10.1007/s11356-020-08766-5

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