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

Table 1

Concentration of heavy metals and other trace elements in the incense stick ash analyzed by inductively coupled plasma-optical emission spectroscopy (ICP-OES), adopted from [11].

Elements	Conc (ppm)
Be	0.10
Ca	195.8
Cr	1.771
Cd	0.002
Co	0.305
Cu	3.602
Fe	378.0
Li	0.259
Mg	323.4
Mn	24.98
Mo	0.056
Ni	1.284
Pb	0.156
Sb	0.164
Se	0.014
Sr	5.327
Ti	24.86
V	0.378
Zn	2.825