Fig. 5From: Spectrum subtraction as a complementary method for six resolution techniques resolving overlapping spectra; application to multicomponent veterinary formulation with greenness and whiteness assessmenta The first derivative spectra of ratio spectra of Levamisole HCl (2.0–14.0 µg/mL) using 3.0 µg/mL triclabendazole as a divisor b The first derivative of ratio spectra of Triclabendazole (2.0–20.0 µg/mL) using 4.0 µg/mL Levamisole HCl as a divisorBack to article page