Fig. 17From: Smart green spectrophotometric assay of the ternary mixture of drotaverine, caffeine and paracetamol in their pharmaceutical dosage formDRT, CAFF and PAR with their synthetic mixtures in derivative method: (A) 2 µg/mL DRT with the synthetic mixture containing 2 µg/mL DRT, (B) 3 µg/mL CAFF with the synthetic mixture containing 3 µg/mL CAFF, (C) 30 µg/mL PAR with the synthetic mixture containing 30 µg/mL PARBack to article page