Figure 1From: Simultaneous determination of some antiprotozoal drugs in different combined dosage forms by mean centering of ratio spectra and multivariate calibration with model updating methodsZero order absorption spectra of 22.5 μg mL-1 MET (), 15 μg mL-1 DF (------), 3 μg mL-1 MEH (......) and 22.5 μg mL-1 METB (-.-.-.) in methanol.Back to article page