Research Article

Phytoremediation of Gold Mine Tailings Amended with Iron-Coated and Uncoated Rice Husk Ash by Vetiver Grass (Vetiveria zizanioides (Linn.) Nash)

Figure 2

The scanning electron microscope images of the RHA magnified at 750 (a), 1600 (b), 2300 (c), and 3000 times (d). The accelerating voltage of the instrument was maintained at 15 kV.
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