Nuclear Physics and Atomic Energy


Nuclear Physics and Atomic Energy

  ISSN: 1818-331X (Print), 2074-0565 (Online)
  Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine
  Languages: Ukrainian, English, Russian
  Periodicity: 4 times per year

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Nucl. Phys. At. Energy 2015, volume 16, issue 3, pages 282-286.
Section: Radiobiology and Radioecology.
Received: 07.08.2015; Accepted: 30.08.2015; Published online: 12.10.2015.
PDF Full text (ua)
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Technogenic radionuclides of Chernobyl NPP accidental release and their physical and chemical forms

A. I. Lypska*, V. I. Nikolaev, V. A. Shytiuk, N. V. Kulich

Institute for Nuclear Research, National Academy of Sciences of Ukraine, Kyiv, Ukraine

*Corresponding author. E-mail address: lypska@kinr.kiev.ua

Abstract: Distribution of radionuclides in the vertical soil profile on the nearest Chernobyl NPP zone of alienation was investigated. It is showed experimentally that the main activity of radionuclides is concentrated in the topsoil (10 m). Coefficients of accumulation of 137Cs and 90Sr radionuclides by plants are estimated. The physico-chemical forms of radionuclides in soil and plants were defined using the method of sequential chemical extraction. It was established that the main contents of 137Cs and 90Sr in soils are represented in non-exchange and fixed forms, in plants - mainly in exchange-adsorption and organic forms.

Keywords: radionuclide, migration, physicochemical forms, Chernobyl exclusion zone, radioactive contamination.

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