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Figure 9 | Nanoscale Research Letters

Figure 9

From: Preparation and Characterization of Nano structured Materials from Fly Ash: A Waste from Thermal Power Stations, by High Energy Ball Milling

Figure 9

The Scanning Electron microscope photomicrographs of fresh and modified fly ash. (A and B) SEM of fresh fly ash at 1,000 and 2,500 times magnification, (C and D) SEM of ball milled fly ash for 20 h at 1,000 and 3,000 times magnification, (E and F) SEM of ball milled fly ash for 40 h at 1,000 and 3,000 times magnification, (G and H) SEM of ball milled fly ash for 60 h at 1,000 and 3,000 times magnification

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