Fig. 18From: 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 double divisor method: (A) a is 4 µg/mL DRT with b is the synthetic mixture containing 4 µg/mL DRT, (B) c is 40 µg/mL PAR with d is the synthetic mixture containing 40 µg/mL PAR, (C) e is 4.5 µg/mL CAFF with f is the synthetic mixture containing 4.5 µg/mL CAFFBack to article page