[Retracted] Determination of Adsorption of Methylene Blue Dye by Incense Stick Ash Waste and Its Toxicity on RTG-2 Cells

Figure 5

FESEM micrographs of the sintered product (a–d), EDS spot (e), and EDS spectra.

(a)

(b)

(c)

(d)

(e)

(f)