The Effect of Stirring on the Morphology of Birnessite Nanoparticles

Figure 1

Mass of MnO₂ produced by decomposition of 0.25 M KMnO₄ in 0.1 M (solid lines), 0.05 M (dashed lines), and 0.01 M (dotted lines) H₂SO₄ aqueous solution. The solid and open circles represent, respectively, the results in the presence and absence of stirring.