Please use this identifier to cite or link to this item: http://repositorio.ufpa.br/jspui/handle/2011/2382
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Type: Artigo de Periódico
Issue Date: 2007
Authors: BORDALO, Adriana Oliveira
MOURA, Candido Augusto Veloso
SCHELLER, Thomas
Title: Determinação da composição isotópica de estrôncio em águas naturais: exemplos de sua aplicação em águas subsuperficiais da zona costeira na região Bragantina-PA
Other Titles: Determination of strontium isotopic composition in natural waters: examples of application in subsurface waters of the coastal zone of Bragantina region, Pará
Citation: BORDALO, Adriana Oliveira; MOURA, Candido Augusto Veloso; SCHELLER, Thomas. Determinação da composição isotópica de estrôncio em águas naturais: exemplos de sua aplicação em águas subsuperficiais da zona costeira na região Bragantina-PA. Química Nova, São Paulo, v. 30, n. 4, p. 821-827, 2007. Disponível em: <http://www.scielo.br/pdf/qn/v30n4/a12v30n4.pdf>. Acesso em: 29 nov. 2011. <http://dx.doi.org/10.1590/S0100-40422007000400012>.
Abstract: Analytical procedures used for determining the concentrations and isotope composition of strontium in subsurface waters, by mass spectrometry, are described. Sampling was performed in coastal plateaus, salt marsh and mangrove environments in the coastal region of Pará. Coastal plateau waters have δ87Sr between 1.51 and 6.26‰ and Sr concentration bellow 58 ppb. Salt marsh waters show δ87Sr between 0.55 and 0.90‰ and Sr concentration between 93 and 114 ppm, while mangrove waters have δ87Sr around zero and Sr concentration above 15 ppm. Differences in the 87Sr/86Sr ratio in these subsurface waters are detected, as well as seasonal variations in the coastal pleteau waters.
Keywords: Geologia isotópica
Águas subterrâneas
Bragança - PA
Pará - Estado
Amazônia Brasileira
ISSN: 0100-4042
Appears in Collections:Artigos Científicos - FAGEO/IG

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