Research Article

Adsorptive Removal of Alizarin Red S onto Sulfuric Acid-Modified Avocado Seeds: Kinetics, Equilibrium, and Thermodynamic Studies

Figure 4

(a) EDS spectra of CTASP before adsorption of dye. (b) EDS spectra of CTASP after adsorption of dye.
(a)
(b)