Sampling techniques for the assessment of anthropogenic vapour and particulate mercury in the Brazilian Amazon atmosphere

Detalhes bibliográficos
Autor(a) principal: Marins, Rozane V.
Data de Publicação: 2000
Outros Autores: Andrade, Jailson Bittencourt de, Pereira, Pedro Afonso de Paula, Paiva, Elizabeth C., Paraquetti, Heloisa H. M.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/12362
Resumo: p. 325-328
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spelling Marins, Rozane V.Andrade, Jailson Bittencourt dePereira, Pedro Afonso de PaulaPaiva, Elizabeth C.Paraquetti, Heloisa H. M.Marins, Rozane V.Andrade, Jailson Bittencourt dePereira, Pedro Afonso de PaulaPaiva, Elizabeth C.Paraquetti, Heloisa H. M.2013-07-30T19:57:30Z2013-07-30T19:57:30Z20001464-0325http://www.repositorio.ufba.br/ri/handle/ri/12362p. 325-328A system, based on annular gold-coated denuders, was optimized and used in the atmospheric sampling of mercury in urban and rural sites of the Alta Floresta, a region in the Brazilian Amazon. Results showed that vapour phase mercury (Hgv) is dominant in samples collected in both sites. However, particulate mercury (Hg) may sometimes be signi®cant at the urban site, with values representing up to 77% of the total Hg collected during sampling, but may also be insigni®cant at the same site, depending on the gold commercialization activity and, probably, on the meteorological conditions during the sampling period. The presence of mercury in both the vapour and particulate phases in the atmosphere of the urban site can explain the high mercury concentrations found in urban dust reported for some cities in the Amazon, and also the relatively high Hg concentrations found in soils adjacent to the urban centre of Alta Floresta. It appears that the urban dust of ``garimpo'' areas in the Amazon can act as an ef®cient adsorber of Hgv emitted by gold dealer operations during the puri®cation process. Mercury emissions from gold dealer shops in the Amazon have been considered as a human health risk through the inhalation of Hg vapour. However, although true for indoor sites, the signi®cant contribution of particulate phase Hg shown in this study in outdoor urban sites calls for a reevaluation of the risk assessment estimates performed up to now in urban centres in the Amazon.Submitted by Santiago Fabio (fabio.ssantiago@hotmail.com) on 2013-07-30T19:57:30Z No. of bitstreams: 1 999999999999999999999.pdf: 102653 bytes, checksum: c5ae79778f0e92cdb35cb4c028ce22fd (MD5)Made available in DSpace on 2013-07-30T19:57:30Z (GMT). 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dc.title.pt_BR.fl_str_mv Sampling techniques for the assessment of anthropogenic vapour and particulate mercury in the Brazilian Amazon atmosphere
dc.title.alternative.pt_BR.fl_str_mv Journal of Environmental Monitoring
title Sampling techniques for the assessment of anthropogenic vapour and particulate mercury in the Brazilian Amazon atmosphere
spellingShingle Sampling techniques for the assessment of anthropogenic vapour and particulate mercury in the Brazilian Amazon atmosphere
Marins, Rozane V.
title_short Sampling techniques for the assessment of anthropogenic vapour and particulate mercury in the Brazilian Amazon atmosphere
title_full Sampling techniques for the assessment of anthropogenic vapour and particulate mercury in the Brazilian Amazon atmosphere
title_fullStr Sampling techniques for the assessment of anthropogenic vapour and particulate mercury in the Brazilian Amazon atmosphere
title_full_unstemmed Sampling techniques for the assessment of anthropogenic vapour and particulate mercury in the Brazilian Amazon atmosphere
title_sort Sampling techniques for the assessment of anthropogenic vapour and particulate mercury in the Brazilian Amazon atmosphere
author Marins, Rozane V.
author_facet Marins, Rozane V.
Andrade, Jailson Bittencourt de
Pereira, Pedro Afonso de Paula
Paiva, Elizabeth C.
Paraquetti, Heloisa H. M.
author_role author
author2 Andrade, Jailson Bittencourt de
Pereira, Pedro Afonso de Paula
Paiva, Elizabeth C.
Paraquetti, Heloisa H. M.
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Marins, Rozane V.
Andrade, Jailson Bittencourt de
Pereira, Pedro Afonso de Paula
Paiva, Elizabeth C.
Paraquetti, Heloisa H. M.
Marins, Rozane V.
Andrade, Jailson Bittencourt de
Pereira, Pedro Afonso de Paula
Paiva, Elizabeth C.
Paraquetti, Heloisa H. M.
description p. 325-328
publishDate 2000
dc.date.issued.fl_str_mv 2000
dc.date.accessioned.fl_str_mv 2013-07-30T19:57:30Z
dc.date.available.fl_str_mv 2013-07-30T19:57:30Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/12362
dc.identifier.issn.none.fl_str_mv 1464-0325
identifier_str_mv 1464-0325
url http://www.repositorio.ufba.br/ri/handle/ri/12362
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Journal of Environmental Monitoring
publisher.none.fl_str_mv Journal of Environmental Monitoring
dc.source.pt_BR.fl_str_mv 10.1039/b000608o
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
instname:Universidade Federal da Bahia (UFBA)
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instname_str Universidade Federal da Bahia (UFBA)
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reponame_str Repositório Institucional da UFBA
collection Repositório Institucional da UFBA
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