Figure 3 (IMAGE)

Tohoku University

Figure 3

Caption

(a) Time-dependent UV-vis absorption spectra of Acid Orange 7 during the adsorption process (inset: photographs of the dye solution before adsorption (A) and after adsorption (B)). (b) Relationship between the equilibrium adsorption capacity (qₑ) and the equilibrium concentration (Cₑ). Compared with cationic dyes (methylene blue and rhodamine B), anionic dyes (Acid Orange 7 and methyl orange) exhibit significantly higher saturated adsorption capacities on TU-123. ©

Credit

Yuichi Negishi et al.

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