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Publicação:
Geogenic factors affecting the selenium(IV) distribution in sediments from Madeira River Basin, Brazil

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dc.contributor.authorDa Costa Neto, A.
dc.contributor.authorBonotto, Daniel Marcos [UNESP]
dc.contributor.authorMesquita, F. L A
dc.contributor.institutionUNIR
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUVA
dc.date.accessioned2014-05-27T11:20:57Z
dc.date.available2014-05-27T11:20:57Z
dc.date.issued2003-12-01
dc.description.abstractThis investigation was carried out at the Madeira River basin, located in the state of Rondônia, Brazilian Amazon. Sediments from Madeira River between Teotônio and Santo Antônio waterfalls along 25 km upstream from Porto Velho, the capital of Rondônia state, and from nine lakes located around Porto Velho municipality were chemically analyzed for Se (IV) in order to evaluate the main factors affecting the Se(IV) distribution in the environment, Selenite ion was chosen to investigate the selenium behavior in the area, because acid conditions are dominant there. The importance of clays, iron oxides, organic matter and minor refractory minerals was considered in order to explain most of the obtained data.en
dc.description.affiliationDepto. de Ciências Exatas Fund. Univ. Fed. de Rondônia UNIR
dc.description.affiliationDepartamento de Petrologia Inst. Geociências/Cie. Exatas UNESP, Rio Clara
dc.description.affiliationCurso de Zootecnia Univ. Estadual Vale do Acaraú UVA, Sobral
dc.description.affiliationUnespDepartamento de Petrologia Inst. Geociências/Cie. Exatas UNESP, Rio Clara
dc.format.extent3-14
dc.identifierhttp://dx.doi.org/10.2495/EHR030011
dc.identifier.citationSustainable World, v. 8, p. 3-14.
dc.identifier.doi10.2495/EHR030011
dc.identifier.lattes7430102726026121
dc.identifier.scopus2-s2.0-2942691899
dc.identifier.urihttp://hdl.handle.net/11449/67524
dc.language.isoeng
dc.relation.ispartofSustainable World
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectEnamels
dc.subjectEnvironmental impact
dc.subjectLakes
dc.subjectMembranes
dc.subjectNutrition
dc.subjectPigments
dc.subjectRedox reactions
dc.subjectRefractory materials
dc.subjectSediments
dc.subjectSelenium compounds
dc.subjectToxicity
dc.subjectWastewater
dc.subjectAcid conditions
dc.subjectGeogenic factors
dc.subjectMadeira River basin
dc.subjectwaterfalls
dc.subjectRiver basin projects
dc.titleGeogenic factors affecting the selenium(IV) distribution in sediments from Madeira River Basin, Brazilen
dc.typeTrabalho apresentado em evento
dcterms.licensehttp://journals.witpress.com/journals.asp
dspace.entity.typePublication
unesp.author.lattes7430102726026121
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Geociências e Ciências Exatas, Rio Claropt
unesp.departmentPetrologia e Metalogenia - IGCEpt

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Rio Claro - IGCE - Instituto de Geociências e Ciências Exatas