Journal of Radioanalytical and Nuclear Chemistry

, Volume 178, Issue 1, pp 81–90 | Cite as

Polonium-210 and lead-210 in marine organisms: Intake levels for Japanese

  • M. Yamamoto
  • T. Abe
  • J. Kuwabara
  • K. Komura
  • K. Ueno
  • Y. Takizawa
Article

Abstract

The concentrations of210Po and210Pb were determined in about 30 species of marine organisms collected mainly from the north-easterm region of Japan to know the levels and distributions of these radionuclides and to estimate their intake levels from marine foods.210Po and210Pb showed a wide range of concentration in species: 0.6–26 and 0.04–0.54 Bq/kg (wet wt) in fishes, 0.5–220 and 0.2–43 Bq/kg (wet wt) in molluscs, echinoderms and chordatas, and 2.8–4.3 and 0.4–1.3 Bq/kg (wet wt) in algae, respectively. Higher accumulation of210Po relative to210Pb was found in all of the samples analyzed. The intake levels of210Po and210Pb by marine foods consumption were roughly estimated to be 0.48–0.69 and 0.022–0.042 Bq/d per person, respectively, on the basis of the statistical data on the consumption of seafood and/or production rates of marine foods.

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Copyright information

© Akadémiai Kiadó 1994

Authors and Affiliations

  • M. Yamamoto
    • 1
  • T. Abe
    • 2
  • J. Kuwabara
    • 1
  • K. Komura
    • 1
  • K. Ueno
    • 1
  • Y. Takizawa
    • 2
  1. 1.Low Level Radioactivity LaboratoryKanazawa UniversityTatsunokuchi, Ishikawa(Japan)
  2. 2.Akita University School of MedicineAkita-shi(Japan)

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