Microwave-Assisted Combustion Synthesis of Nano Iron Oxide/Iron-Coated Activated Carbon, Anthracite, Cellulose Fiber, and Silica, with Arsenic Adsorption Studies
Figure 2
X-ray mapping images of (a) MN-5 (red-Fe, green-C, and blue-O), (b) MN-6 (blue-Fe, green-O, and red-C), (c) MN-7 (green-Fe, red-O, and blue-C), and (d) EDS spectrum of MN-7.