Research Article

The Effect of Stirring on the Morphology of Birnessite Nanoparticles

Figure 2

X-ray powder diffraction of the synthesized manganese oxides. (a) Black birnessite produced with stirring; (b) brown birnessite produced without stirring. The gray line in the bottom of both (a) and (b) is the pattern of the empty sample holder as a control.
168716.fig.002a
(a)
168716.fig.002b
(b)