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Presence of 137Cs, Pu isotopes and 241Am in ligurian and Tyrrhenian Seas sediments

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Abstract

During the last ten years, the Italian Universities of Parma and Urbino collaborated on a special radioecological program having the aim to study the levels and the distribution of long-lived radionuclides in different marine and terrestrial matrixes. This paper summarizes the results concerning the concentrations of 239+240Pu and 238Pu, 241Am and 137Cs in sediments collected in the Ligurian and South Tyrrhenian Seas (Rapallo Harbour, Vado Ligure Canyon, Eolie Islands). Superficial sediments and sediment cores were collected. For cores the vertical distribution was calculated and the sedimentation rate obtained. 137Cs was determined directly by gamma-spectrometry, while 239+240Pu, 238Pu and 241Am were separated by extraction chromatography, electroplating and determined by alpha-spectrometry.

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Authors and Affiliations

  1. Institute of General Chemistry, University of Urbino General Chemistry Institute, Piazza Rinascimento 6, 61029, Urbino, Italy

    D. Desideri, M. A. Meli & C. Testa

  2. Laboratory of Radioecology, Department of Evolutive and Functional Biology, University of Parma Viale delle Scienze 11/A, 43100, Parma, Italy

    S. Giuliani, C. Triulzi & M. Vaghi

Authors
  1. D. Desideri
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  2. S. Giuliani
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  3. M. A. Meli
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  4. C. Testa
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  5. C. Triulzi
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  6. M. Vaghi
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Desideri, D., Giuliani, S., Meli, M.A. et al. Presence of 137Cs, Pu isotopes and 241Am in ligurian and Tyrrhenian Seas sediments. Journal of Radioanalytical and Nuclear Chemistry 260, 9–12 (2004). https://doi.org/10.1023/B:JRNC.0000027054.61685.b4

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  • DOI: https://doi.org/10.1023/B:JRNC.0000027054.61685.b4

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