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SEM images of the Mg particles of 0.003 g/mL (a) and 0.010 g/mL (b) sonochemically treated aqueous suspensions. Microphotograph (c) denotes to the surface of the initial particle and inset corresponds to the particle treated in water in the absence of ultrasound (0.003 g/mL suspension). d) SEM images of Mg particles after sonochemical treatment of 0.003 g/mL suspensions in ethanol (d) and ethylene glycol (e). In all cases the duration of treatment comprised 15 min.
