Figure 2

Schematic diagrams of synchronous fluorescence spectra in 0.75% sulfuric acid in acetonitrile (BHT (10 µg/mL)–BHA (0.35 µg/mL)–Mixture–Blank spectra) under optimized conditions (∆λ = 22, Excitation, and emission band widths 5 nm, Scan speed 6000 nm/min).