Fig. 5From: Simultaneous determination of cetirizine, phenyl propanolamine and nimesulide using third derivative spectrophotometry and high performance liquid chromatography in pharmaceutical preparationsThird order derivative absorption spectra of: (a–e) PPA (20, 40, 50, 80 and 100 µg/mL), (f) CTZ (20 µg/mL), (g) NMS (20 µg/mL)Back to article page