Fig. 3

Zero order- spectra for a quaternion mixture of CAF, PSE, DOX, and PAR (11.0, 20.1, 11.0, and 15.0 µg/mL), respectively after enrichment
Zero order- spectra for a quaternion mixture of CAF, PSE, DOX, and PAR (11.0, 20.1, 11.0, and 15.0 µg/mL), respectively after enrichment