Microwave-Assisted Combustion Synthesis of Nano Iron Oxide/Iron-Coated Activated Carbon, Anthracite, Cellulose Fiber, and Silica, with Arsenic Adsorption Studies
Figure 1
X-ray mapping images of (a) MN-1 (red-Fe, green-C, and blue-O), (b) MN-2 (blue-Fe, green-O, and red-C), (c) MN-3 (green-Fe, red-O, and blue-C), and (d) MN-4 (red-Silica, green-Fe, and blue-O).