Abstract:The use of impulse-response photoacoustic signals to monitor time-dependent changes in physicochemical systems is described. The diffusion of a dye through a polymer and the effect of a herbicide on a plant leaf are used to demonstrate the viability of the technique.On decrit l'utilisation des signaux photo-acoustiques de reponse aux impulsions pour suivre les changements dependant du temps dans des systbmes physico-chimiques. On utilise la diffusion d'un colorant a travers un polymbre et I'effet d'un herbicid… Show more
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