Abstract:Recebido em 21/2/11; aceito em 8/6/11; publicado na web em 22/7/11 FLOW-INJECTION SPECTROPHOTOMETRIC DETERMINATION OF GLYPHOSATE IN COMMERCIAL FORMULATIONS OF HERBICIDES. A flow injection spectrophotometric procedure for the determination of glyphosate in commercial formulations of herbicides is proposed. The determination is based on the reaction of glyphosate and p-dimethylaminocinnamaldehyde, in acid medium, yielding a colored compound (l máx = 495 nm). Under optimal conditions, Beer's law is obeyed in a co… Show more
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