]>Synthesis and Characterization of Birnessite and Cryptomelane Nanostructures in Presence of Hoffmeister Anions : Figure 3
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Figure 3: XRD patterns of M n O 2 nanostructures showing (a) a dominant cryptomelane phase under S O 4 − 2 treatment, (b) a mixed phase of cryptomelane and birnessite under C l − treatment, and (c) a dominant birnessite phase under C l O 4 − treatment.