Research Article
Synthesis of α-MnO2 Nanomaterial from a Precursor γ-MnO2: Characterization and Comparative Adsorption of Pb(II) and Fe(III)
Figure 4
SEM images of material at 100°C (a), 400° (b), 600°C ((c), (d)), and 800°C ((e), (f)).
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| (b) |
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| (e) |
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