Fig. 2From: Smart green spectrophotometric assay of the ternary mixture of drotaverine, caffeine and paracetamol in their pharmaceutical dosage formZero order absorption spectra of DRT, CAFF, and PAR ethanolic solution: (a) DRT [8.0 µg/mL], (b) CAFF (8.0 µg/mL), (c) PAR (8.0 µg/mL)Back to article page