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. 2011 Jan 7;16(1):348–366. doi: 10.3390/molecules16010348

Figure 1.

Figure 1

SEM microphotos of: (a) fresh as-synthesized CuO/ZnO-Al2O3 catalyst, and catalyst washcoated on Fe-Cr-Ni stainless steel 304 foil under the conditions of: (b) drying at 298 K for 5 h, (c) and (d) calcination at 623 K for 2 h, respectively.