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Use of65Zn as a radioactive tracer in the bioaccumulation study of zinc byPoecilia reticulata

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Abstract

The bioaccumulation of zinc byPoecilia reticulata from water as well as the elimination of the metal previously absorbed were determined by using65Zn as radioactive tracer. The exposure time varied from 18 days to 30 days. The results obtained show that the absorption and elimination of zinc byPoecilia reticulata is slow, 30 days being necessary for the elimination of 70% of the previously absorbed zinc. The same experiment was also carried out by feeding fish with65Zn contaminated food. The results obtained show that in 30 days only 40% of the zinc previously absorbed is eliminated by the fish.

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  1. Instituto de Pesquisas Energéticas e Nucleares, Comissão Nacional de Energia Nuclear, Caixa Postal 11049, São Paulo, (Brasil)

    W. Malagrino & B. Mazzilli

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  1. W. Malagrino
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  2. B. Mazzilli
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Malagrino, W., Mazzilli, B. Use of65Zn as a radioactive tracer in the bioaccumulation study of zinc byPoecilia reticulata . Journal of Radioanalytical and Nuclear Chemistry, Articles 183, 389–393 (1994). https://doi.org/10.1007/BF02038007

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  • DOI: https://doi.org/10.1007/BF02038007

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