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Journal of Analytical Science and Technology
Fig. 3 | Journal of Analytical Science and Technology

Fig. 3

From: Performance assessment of activated carbon thermally modified with iron in the desulfurization of biogas in a static batch system supported by headspace gas chromatography

Fig. 3

SEM images depicting the roughness of the surface of the studied materials AC (a, f), AC3Fe (b, g), AC5Fe (c, h), AC7Fe (d, i), and AC3 (e, j). The upper row shows comparative images for the materials at the same magnification scale (3kx). The down row shows some relevant details for each material under relevant magnification

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