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Influência de íons metálicos na estrutura de substâncias húmicas detectados por espectroscopia.
(Universidade Federal de São Carlos, 2005-03-23)
INFLUENCE OF METAL CATIONS IN THE STRUCTURE OF
HUMIC SUBSTANCES AS DETECTED BY SPECTROSCOPY, involves a
study by which starting from precursors of humic substances, some polymers
were obtained, characterized and comparable ...
Preparação, caracterização e estudos termoanalíticos de bases de Schiff biopoliméricas e seus complexos de cobre
(Universidade Federal de São Carlos, 2004-12-13)
The present work is divided in three parts. The first part deals with the purification and characterization of commercial chitosan from different suppliers. The second part describes the synthesis and characterization of ...