Influence of Extractant and Soil Type on Molecular Characteristics of Humic Substances From Two Brazilian Soils

Influence of Extractant and Soil Type on Molecular Characteristics of Humic Substances From Two Brazilian Soils

In a previous study it was observed that humic substances (HS) extracted with NaOH solution and with Na4P2O7 solution presented different molecular weights, and also that the extracted HS yield by each method varied between an Oxisol and a Mollisol from South Brazil. In the present study, we further...

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Bibliographic Details
Main Authors: Dick Deborah Pinheiro, Burba Peter, Herzog Helmut
Format: Article
Language:English
Published: Sociedade Brasileira de Química 1999-01-01
Series:Journal of the Brazilian Chemical Society
Subjects:
humic substances
oxisol
mollisol
aromaticity
ligand exchange
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50531999000200012

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