Fig. 3From: 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) CTZ (8 µg/mL), (b) PPA (40 µg/mL), (c) NMS (160 µg/mL) in methanolBack to article page