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dc.contributor.authorPatricio, Marta L. V. [UNESP]
dc.contributor.authorBonotto, Daniel M. [UNESP]
dc.identifier.citationJournal of Radioanalytical and Nuclear Chemistry, v. 327, n. 1, p. 403-416, 2021.
dc.description.abstractThis paper describes a methodology developed to measure the activity concentration of the four natural radium isotopes 226Ra, 228Ra, 224Ra and 223Ra in water samples, using γ-ray analysis performed with a hyperpure germanium detector (HPGe). The detector efficiency was properly determined using a set of thorium standards exhibiting concentrations between 10 and 10,000 μg/g. The developed analytical protocol was applied for evaluating the radium activity concentration in groundwater samples providing from different aquifer systems in three Brazilian states. The results were compared with the guideline reference values for 226Ra and 228Ra as proposed by the Brazilian and WHO legislations.en
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.relation.ispartofJournal of Radioanalytical and Nuclear Chemistry
dc.subjectGamma ray spectrometry
dc.subjectGroundwater systems
dc.subjectHPGe detector
dc.subjectRadium isotopes
dc.titleNatural radium isotopes in waters determined with gamma-ray spectrometry using a HPGe detectoren
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.description.affiliationDepartamento de Geologia Universidade Estadual Paulista (UNESP), Câmpus de Rio Claro, Av. 24-A No.1515, C.P. 178, CEP
dc.description.affiliationUnespDepartamento de Geologia Universidade Estadual Paulista (UNESP), Câmpus de Rio Claro, Av. 24-A No.1515, C.P. 178, CEP
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