Mixed Maghemite/Hematite Iron Oxide Nanoparticles Synthesis for Lead and Arsenic Removal from Aqueous Solution

Figure 2

TEM images (a–c) for the synthesized iron oxides IO-NH, IO-K, and IO-Na, respectively, and particle size distribution, (d–f) for the synthesized iron oxides IO-NH, IO-K, and IO-Na, respectively.

(a)

(b)

(c)

(d)

(e)

(f)