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Caracterização estrutural das substâncias húmicas aquáticas extraídas dos rios itapanhaú e ribeira de iguape

Resumo

The knowledge of the structure characteristic of the Organic Matter is important for the understanding of the natural process. In this context aquatic humic substances (principal fraction) were isolated from water sample collected from the two distinct rivers, using procedure recommended for International Humic Substances Society and characterized by elemental analysis, electron paramagnetic resonance and nuclear magnetic resonance (13C NMR). The results were interpreted using principal component analysis (PCA) and the statistical analyses showed different in the structural characteristics of the aquatic humic substances studied.

Descrição

Palavras-chave

aquatic humic substances, structural characterization, principal component analysis

Idioma

Português

Citação

Química Nova. Sociedade Brasileira de Química, v. 34, n. 5, p. 753-758, 2011.

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Unidades

Unidade
Instituto de Química
IQAR
Campus: Araraquara


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