Electron Donor-Acceptor Interaction of 8-Hydroxyquinoline with Citric Acid in Different Solvents: Spectroscopic Studies

Figure 2

Electronic spectra of (A) 5 × 10⁻⁴ mol L⁻¹ 8-HQ; (B) 5 × 10⁻⁵ mol L⁻¹ CA; and (C) CT complex (5 × 10⁻⁴ mol L⁻¹ 8-HQ + 5 × 10⁻⁵ mol L⁻¹ CA) in methanol and ethanol.

(a)

(b)