Concentrations of 226Ra, 232Th and 40K in Brazilian wall paint
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2018
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INTERNATIONAL SYMPOSIUM ON NATURALLY OCCURRING RADIOACTIVE MATERIAL, 8th
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Resumo
Geological materials used as building materials are a source of radiation exposure due to the presence of
radionuclides of natural origin. Wall paint is one of the building materials to be considered for radiological
evaluation as it generally contains titanium dioxide pigment obtained from minerals such as ilmenite and rutile
which contain 238U and 232Th series radionuclides and 40K. In this work, radionuclide concentrations were
determined in 50 commercial Brazilian white latex wall paints using high resolution gamma-ray spectrometry. The
following activity concentrations were measured: 1.41–38.7 Bq/kg (226Ra), 0.9–101.2 Bq/kg (232Th) and
5.9–256 Bq/kg (40K). These results demonstrate that the wall paints studied in this work are safe for use.
Como referenciar
FONSECA, L.M.; PECEQUILO, B.R.S. Concentrations of 226Ra, 232Th and 40K in Brazilian wall paint. In: INTERNATIONAL SYMPOSIUM ON NATURALLY OCCURRING RADIOACTIVE MATERIAL, 8th, October 18-21, 2016, Rio de Janeiro, RJ. Proceedings... Vienna, Austria: IAEA, 2018. p. 204-207. (Proceedings Series IAEA). Disponível em: http://repositorio.ipen.br/handle/123456789/30143. Acesso em: 26 Apr 2024.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.