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Assessment of metal and trace element concentrations in the Cananéia estuary, Brazil, by neutron activation and atomic absorption techniques

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Abstract

Twenty six bottom sediment samples were collected from the Cananéia estuary in summer and winter of 2005. Multielemental analysis was carried out by instrumental neutron activation analysis. Total mercury was determined by cold vapor atomic absorption. As, Cr, Hg and Zn concentrations were compared to the Canadian oriented values (TEL and PEL). Sample points 4 and 9 presented higher concentration for most elements and As and Cr exceeded the TEL values. Organic matter (>10%) associated with siltic and clay sediments was observed. Climatic conditions, hydrodynamic and biogeochemical processes promote differences in seasonal concentrations of elements at some points, which contribute to special distributions.

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Authors and Affiliations

  1. Instituto de Pesquisas Energéticas e Nucleares (IPEN / CNEN-SP), Av. Professor Lineu Prestes 2242, São Paulo, SP, 05508-000, Brasil

    E. P. Amorim & D. I. T. Fávaro

  2. Laboratório de Nutrientes, Micronutrientes e Traços nos Oceanos — LABNUT-Instituto Oceanográfico — USP, Praça do Oceanográfico, 191. Cidade Universitária, São Paulo, SP, 05508-900, Brasil

    G. B. B. Berbel & E. S. Braga

Authors
  1. E. P. Amorim
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  2. D. I. T. Fávaro
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  3. G. B. B. Berbel
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  4. E. S. Braga
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Correspondence to D. I. T. Fávaro.

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Amorim, E.P., Fávaro, D.I.T., Berbel, G.B.B. et al. Assessment of metal and trace element concentrations in the Cananéia estuary, Brazil, by neutron activation and atomic absorption techniques. J Radioanal Nucl Chem 278, 485–489 (2008). https://doi.org/10.1007/s10967-008-0909-y

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  • DOI: https://doi.org/10.1007/s10967-008-0909-y

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