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Natural radionuclide levels and the associated radiological risks in soils from the three mesoregions of Pernambuco state, Brazil

Leal, André L. C. ; Lauria, Dejanira C. ; Ribeiro, Fernando C. A.

Journal of radioanalytical and nuclear chemistry, 2020-05, Vol.324 (2), p.521-531 [Periódico revisado por pares]

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Título:
Natural radionuclide levels and the associated radiological risks in soils from the three mesoregions of Pernambuco state, Brazil
Autor: Leal, André L. C. ; Lauria, Dejanira C. ; Ribeiro, Fernando C. A.
Assuntos: Bedrock ; Building materials ; Chemistry ; Chemistry and Materials Science ; Construction materials ; Diagnostic Radiology ; Gamma rays ; Hadrons ; Heavy Ions ; Inorganic Chemistry ; Nuclear Chemistry ; Nuclear Physics ; Physical Chemistry ; Radiation, Background ; Radioisotopes ; Radium ; Soils ; Topsoil ; Uranium
É parte de: Journal of radioanalytical and nuclear chemistry, 2020-05, Vol.324 (2), p.521-531
Descrição: A large-scale survey of natural radionuclides in the soils is presented. 105 topsoil samples were collected and analysed by gamma spectrometry. The data indicated that climatic conditions might impact the content of natural radionuclides. Low-humidity conditions and igneous bedrock were associated with the highest median value of 40 K in the Agreste region (667 Bq kg −1 ). The humid climate of Zona da Mata was associated with the lowest median value of 40 K (39 Bq kg −1 ) and the highest levels of radium. Soils from most parts of the state may be used as building materials without presenting a radiological risk.
Editor: Cham: Springer International Publishing
Idioma: Inglês

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