Technogenic radionuclides of chernobyl npp accidental release and their physical and chemical forms

Autor:	A.I. Lypska, N.V. Kulich, V.A. Shytiuk, V.I. Nikolaev
Předmět:	Nuclear and High Energy Physics Radionuclide Accidental Environmental chemistry Environmental science Chernobyl exclusion zone radionuclide migration lcsh:Atomic physics. Constitution and properties of matter radioactive contamination physicochemical forms lcsh:QC170-197
Zdroj:	Scopus-Elsevier Âderna Fìzika ta Energetika, Vol 16, Iss 3, Pp 282-286 (2015)
Popis:	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 сm). 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.
Databáze:	OpenAIRE
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