Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/42140
Título: Replication of an IVG protocol to estimate bioaccessible arsenic in materials from a gold mining area in Brazil1
Título(s) alternativo(s): Replicação do protocolo IVG para estimar arsênio bioacessível em materiais de área de mineração de ouro no Brasil
Palavras-chave: Trace elements
In vitro tests
Environmental pollution
Elementos-traço
Testes in vitro
Poluição ambiental
Data do documento: 2012
Editor: Sociedade Brasileira de Ciência do Solo
Citação: ONO, F. B. et al. Replication of an IVG protocol to estimate bioaccessible arsenic in materials from a gold mining area in Brazil. Revista Brasileira de Ciência do Solo, Viçosa, MG, v. 36, n. 4, p. 1355-1360, jul./ago. 2012.
Resumo: Tests for bioaccessibility are useful in human health risk assessment. No research data with the objective of determining bioaccessible arsenic (As) in areas affected by gold mining and smelting activities have been published so far in Brazil. Samples were collected from four areas: a private natural land reserve of Cerrado; mine tailings; overburden; and refuse from gold smelting of a mining company in Paracatu, Minas Gerais. The total, bioaccessible and Mehlich-1-extractable As levels were determined. Based on the reproducibility and the accuracy/precision of the in vitro gastrointestinal (IVG) determination method of bioaccessible As in the reference material NIST 2710, it was concluded that this procedure is adequate to determine bioaccessible As in soil and tailing samples from gold mining areas in Brazil. All samples from the studied mining area contained low percentages of bioaccessible As.
URI: http://repositorio.ufla.br/jspui/handle/1/42140
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