A method for evaluating Ra-228 in environmental matrices and its use at Pocos de Caldas plateau, Brazil

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dc.contributor.authorMancini, L. H.
dc.contributor.authorBonotto, Daniel Marcos [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:22:19Z
dc.date.available2014-05-20T15:22:19Z
dc.date.issued2002-10-01
dc.description.abstractThis work describes a methodology developed for performing the extraction, detection and quantification of Ra-228 in waters, suspended solids and sediments. The technique proved to be useful for analyzing samples from the hydrological environment of Morro do Ferro, Pocos de Caldas plateau, Brazil. The 228Ra activity in underground waters of 5 boreholes drilled in the area varied from 0.02 up to 14.5 Bq/l, whereas for the surficial waters the variation was from 0.04 to 0.51 Bq/l; for the suspended solids, the values ranged from 1.5 up to 419 Bq/g, whereas it was possible to find a value of 2.04 Bq/g for the sediments. These results show the applicability of the method for characterizing different matrices of environmental interest. (C) 2002 Elsevier B.V. Ltd. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, Dept Petrol & Metalogenia, UNESP, BR-13506900 São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Petrol & Metalogenia, UNESP, BR-13506900 São Paulo, Brazil
dc.format.extent591-600
dc.identifierhttp://dx.doi.org/10.1016/S0969-8043(02)00132-X
dc.identifier.citationApplied Radiation and Isotopes. Oxford: Pergamon-Elsevier B.V., v. 57, n. 4, p. 591-600, 2002.
dc.identifier.doi10.1016/S0969-8043(02)00132-X
dc.identifier.issn0969-8043
dc.identifier.lattes7430102726026121
dc.identifier.urihttp://hdl.handle.net/11449/33326
dc.identifier.wosWOS:000178260800018
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofApplied Radiation and Isotopes
dc.relation.ispartofjcr1.123
dc.relation.ispartofsjr0,528
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectRa-228pt
dc.subjectwaterspt
dc.subjectsedimentspt
dc.subjectsuspended solidspt
dc.titleA method for evaluating Ra-228 in environmental matrices and its use at Pocos de Caldas plateau, Brazilen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes7430102726026121
unesp.author.orcid0000-0003-1163-6592[1]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Geociências e Ciências Exatas, Rio Claropt

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Artigos - Petrologia e Metalogenia - IGCE