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Fig. 4 | Journal of Applied Volcanology

Fig. 4

From: The iron-catalysed surface reactivity and health-pertinent physical characteristics of explosive volcanic ash from Mt. Etna, Italy

Fig. 4

Images of respirable ash from Etna. a INGV_5; b INGV_1; c CdF_5; d ETNA4/11/02 showing particles of ash of varying sizes down to <1 μm diameter. The larger particles have smaller particles adhered to them and some particles have adsorbed salts crystallised on the surface (d, top left) or appear as clusters or potentially cemented aggregates of particles (c)

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Journal of Applied Volcanology

ISSN: 2191-5040

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