Synthesis and Characterization of Birnessite and Cryptomelane Nanostructures in Presence of Hoffmeister Anions

Figure 1

XRD spectra of (a) Cl⁻ - treated birnessite nanomaterial, (b) ClO₄⁻ - treated birnessite nanomaterial, and (c) SO₄⁻² - treated birnessite nanomaterial.

(a)

(b)

(c)