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Methyl bromide in natural fresh waters: Hydrolysis and volatilisation
Authors:Irene Abbattista Gentile  Lucia Ferraris  Mario Sanguinetti  Marinela Tiprigan  Giuseppina Fisichella
Abstract:The effect of some physical factors on the processes (hydrolysis, volatilisation) regulating the persistence of methyl bromide in fresh surface waters was investigated to complement previous research. It has been confirmed that electromagnetic radiation in the visible field has no influence on the hydrolysis kinetics of the fumigant. The removal of methyl bromide by volatilisation from stirred and ventilated solutions appears to be of greater importance in practice. It has been shown that under these conditions the half-life is directly proportional to the liquid depth. Without stirring volatilisation is greatly reduced, due to the low diffusivity of methyl bromide in the aqueous phase.
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