Estudo das interações do herbicida glifosato com argila natural brasileira monoionica / Interactions study of gliphosate herbicide with Brazilian natural monoionic clay

AUTOR(ES)

Rodrigo Alves de Mattos

DATA DE PUBLICAÇÃO

2008

RESUMO

This research studies the glyphosate adsorptions in monoionic montimorilonite clay with Na, Cu, Ca, Al e Zn. The clay used is bentonite type. It comes of Boa Vista region in Campina Grande in the Brazilian state of Paraiba. It has been characterized by X-Ray, Scanning Electron Microscopy (SEM), Infra-Red Spectroscopy (IR), Chemical Analysis, ionic change capacity, surface area, thermogravimetric analysis (TA) and digital scanning calorimetry (DSC). The glyphosate absorptions process in monoionic clays has showed that absorption maximum values follow the order: Arg-Na

ASSUNTO(S)

argila montmorilonite gliphosate montimorilonita glifosato clay adsorption adsorção

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