Extraction Kinetics and Molecular Size Fractionation of Humic Substances From Two Brazilian Soils

In the present study, the extraction behaviour of humic substances (HS) from an Oxisol and a Mollisol from South Brazil, by using 0.1 and 0.5 mol L-1 NaOH and 0.15 mol L-1 neutral pyrophosphate solutions, respectively, was systematically studied. The kinetics and efficiency of HS extraction were eva...

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Bibliographic Details
Main Authors: Dick Deborah Pinheiro, Burba Peter
Format: Article
Language:English
Published: Sociedade Brasileira de Química 1999-01-01
Series:Journal of the Brazilian Chemical Society
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50531999000200013