Fig. 2

Overlay chromatogram of seven linearity levels for separating TAM and TTD (0.15, 0.3, 0.5, 0.8, 1.0, 1.2, and 1.5 µg mL−1 for TAM and 1.5, 3.0, 5.0, 8.0, 10.0, 12.0, and 15.0 µg mL−1 for TTD, respectively) using 280 nm and 350 nm as excitation and emission wavelengths, respectively.