Research Article

Microwave-Assisted Combustion Synthesis of Nano Iron Oxide/Iron-Coated Activated Carbon, Anthracite, Cellulose Fiber, and Silica, with Arsenic Adsorption Studies

Figure 4

SEM Images of iron coated (a) MN-5, (b) MN-6, and (c-d) MN-7.
972486.fig.004a
(a)
972486.fig.004b
(b)
972486.fig.004c
(c)
972486.fig.004d
(d)