Browsing by Subject "Arsênio"
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Determinação de As, Cd, Pb e Zn por voltametria no médio curso do Rio Paraíba do Sul - Itatiaia - RJ.
| Posted on: 30 abr. 2009The trace elements, As Cd Pb and Zn occur in nature in a variety of chemical forms, including organic and inorganic species. They come from natural sources and anthropogenic activities. Because of the risk of chronic ...